要求：
背景：医院为病人做随访，随访内容包括，姓名，年龄，性 别，地址，身高，体重，血压，随访日期，下次随访日期1. 功能：录入随访信息，更改随访信息，显示随访信息
2.要求：本次随访日期和下次随访日期自动生成：本次随访 日期就是当前日期；下次随访日期根据随访周期动态生成
3.随访周期为15天
4.采用三层架构
查看前台：
<body>
<form id="form1" runat="server">
<div>
<asp:LinkButton ID="LinkButton2" runat="server" onclick="LinkButton2_Click">添加</asp:LinkButton>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:BoundField DataField="Name" HeaderText="姓名" />
<asp:BoundField DataField="Age" HeaderText="年龄" />
<asp:BoundField DataField="Sex" HeaderText="性别" />
<asp:BoundField DataField="AddressSui" HeaderText="地址" />
<asp:BoundField DataField="HeightNum" HeaderText="身高" />
<asp:BoundField DataField="WeightNum" HeaderText="体重" />
<asp:BoundField DataField="BloodPress" HeaderText="血压" />
<asp:BoundField DataField="SuiFangDate" HeaderText="时间" />
<asp:BoundField DataField="SuiFNext" HeaderText="下次时间" />
<asp:TemplateField HeaderText="操作">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" onclick="LinkButton1_Click" CommandArgument='<%#Eval("Id") %>'>编辑</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
查看后台：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
namespace SuiFang
{
public partial class Message : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Suifang.BLL.T_SuiFang Sui = new Suifang.BLL.T_SuiFang();
DataSet ds = Sui.GetList("");
this.GridView1.DataSource = ds.Tables[0];
this.GridView1.DataBind();
}
protected void LinkButton1_Click(object sender, EventArgs e)
{
LinkButton LinkButton1 = sender as LinkButton;
Response.Redirect("Update.aspx?id=" + LinkButton1.CommandArgument);
}
protected void LinkButton2_Click(object sender, EventArgs e)
{
Response.Redirect("Add.aspx");
}
}
}
添加的前台：
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lbinfo" runat="server" Text=""></asp:Label>
<table>
<tr>
<td>姓名：</td>
<td><asp:TextBox ID="txtName" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>年龄：</td>
<td><asp:TextBox ID="txtAge" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>性别：</td>
<td>
<asp:RadioButtonList ID="Sex" runat="server"
RepeatDirection="Horizontal">
<asp:ListItem Value="0">男</asp:ListItem>
<asp:ListItem Value="1">女</asp:ListItem>
</asp:RadioButtonList>
</td>
</tr>
<tr>
<td>地址：</td>
<td><asp:TextBox ID="txtAddress" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>身高：</td>
<td><asp:TextBox ID="txtHeight" runat="server" Width="56px"></asp:TextBox>cm</td>
</tr>
<tr>
<td>体重：</td>
<td><asp:TextBox ID="txtWeight" runat="server" Height="19px" Width="56px"></asp:TextBox>kg</td>
</tr>
<tr>
<td>血压：</td>
<td><asp:TextBox ID="txtBlood" runat="server" Width="55px"></asp:TextBox></td>
</tr>
<tr>
<td>随访日期：</td>
<td><asp:TextBox ID="txtDate" runat="server" Enabled="false" ReadOnly="true"></asp:TextBox></td>
</tr>
<tr>
<td>下次随访日期：</td>
<td><asp:TextBox ID="txtNext" runat="server" Enabled="false" ReadOnly="true"></asp:TextBox></td>
</tr>
<tr>
<td><asp:Button ID="btnUpdate" runat="server" Text="确定"
style="height: 21px" onclick="btnUpdate_Click" /></td>
<td><asp:Button ID="btnFan" runat="server" Text="返回" onclick="btnFan_Click"/></td>
</tr>
</table>
</div>
</form>
<script type="text/javascript">
var date = new Date();
document.getElementById('txtDate').value = date.toLocaleString();
var date1 = new Date(date.getFullYear(), date.getMonth(), date.getDate() + 15, date.getHours(), date.getMinutes(), date.getSeconds());
document.getElementById('txtNext').value = date1.toLocaleString();
</script>
</body>
添加后台：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace SuiFang
{
public partial class Add : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
Suifang.Model.T_SuiFang muser = new Suifang.Model.T_SuiFang();
muser.Name = txtName.Text;
muser.Age=Convert.ToInt32(txtAge.Text);
if (Sex.SelectedValue == "0")
{
muser.Sex = false;
}
else
{
muser.Sex = true;
}
muser.AddressSui=txtAddress.Text;
muser.HeightNum=decimal.Parse(txtHeight.Text);
muser.WeightNum=decimal.Parse(txtWeight.Text);
muser.BloodPress=decimal.Parse(txtBlood.Text);
muser.SuiFangDate=DateTime.Parse(txtDate.Text);
muser.SuiFNext = DateTime.Parse(txtNext.Text);
Suifang.BLL.T_SuiFang buser = new Suifang.BLL.T_SuiFang();
if (buser.Add(muser) > 0)
{
Response.Redirect("Message.aspx");
}
else
{
lbinfo.Text = "保存失败";
}
}
protected void btnFan_Click(object sender, EventArgs e)
{
Response.Redirect("Message.aspx");
}
}
}
编辑前台：
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lbinfo" runat="server" Text=""></asp:Label>
<table>
<tr>
<td>编号：</td>
<td><asp:TextBox ID="txtId" runat="server" Enabled="False" ReadOnly="True"></asp:TextBox></td>
</tr>
<tr>
<td>姓名：</td>
<td><asp:TextBox ID="txtName" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>年龄：</td>
<td><asp:TextBox ID="txtAge" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>性别：</td>
<td>
<asp:RadioButtonList ID="Sex" runat="server"
RepeatDirection="Horizontal">
<asp:ListItem Value="0">男</asp:ListItem>
<asp:ListItem Value="1">女</asp:ListItem>
</asp:RadioButtonList>
</td>
</tr>
<tr>
<td>地址：</td>
<td><asp:TextBox ID="txtAddress" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>身高：</td>
<td><asp:TextBox ID="txtHeight" runat="server" Width="56px"></asp:TextBox>cm</td>
</tr>
<tr>
<td>体重：</td>
<td><asp:TextBox ID="txtWeight" runat="server" Height="19px" Width="56px"></asp:TextBox>kg</td>
</tr>
<tr>
<td>血压：</td>
<td><asp:TextBox ID="txtBlood" runat="server" Width="55px"></asp:TextBox></td>
</tr>
<tr>
<td>随访日期：</td>
<td><asp:TextBox ID="txtDate" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>下次随访日期：</td>
<td><asp:TextBox ID="txtNext" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td><asp:Button ID="btnUpdate" runat="server" Text="确定" onclick="btnUpdate_Click"
style="height: 21px" /></td>
<td><asp:Button ID="btnFan" runat="server" Text="返回" onclick="btnFan_Click" /></td>
</tr>
</table>
</div>
</form>
<script type="text/javascript">
var date = new Date();
document.getElementById('txtDate').value = date.toLocaleString();
var date1 = new Date(date.getFullYear(), date.getMonth(), date.getDate() + 15, date.getHours(), date.getMinutes(), date.getSeconds());
document.getElementById('txtNext').value = date1.toLocaleString();
</script>
</body>
编辑后台：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
namespace SuiFang
{
public partial class Update : System.Web.UI.Page
{
string id = string.Empty;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
id = Request["id"].ToString();
LoadDate();
}
}
private void LoadDate()
{
Suifang.BLL.T_SuiFang Cha = new Suifang.BLL.T_SuiFang();
DataSet ds = Cha.GetList("Id="+id);
txtId.Text = ds.Tables[0].Rows[0]["Id"].ToString();
txtName.Text = ds.Tables[0].Rows[0]["Name"].ToString();
txtAge.Text = ds.Tables[0].Rows[0]["Age"].ToString();
string sex = ds.Tables[0].Rows[0]["Sex"].ToString();
if (sex == "True")
{
Sex.SelectedValue = "1";
}
else
{
Sex.SelectedValue = "0";
}
txtAddress.Text = ds.Tables[0].Rows[0]["AddressSui"].ToString();
txtHeight.Text = ds.Tables[0].Rows[0]["HeightNum"].ToString();
txtWeight.Text = ds.Tables[0].Rows[0]["WeightNum"].ToString();
txtBlood.Text = ds.Tables[0].Rows[0]["BloodPress"].ToString();
txtDate.Text = ds.Tables[0].Rows[0]["SuiFangDate"].ToString();
txtNext.Text = ds.Tables[0].Rows[0]["SuiFNext"].ToString();
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
Suifang.Model.T_SuiFang Up = new Suifang.Model.T_SuiFang();
Up.Id = Convert.ToInt32(txtId.Text);
Up.Name = txtName.Text;
Up.Age = Convert.ToInt32(txtAge.Text);
if (Sex.SelectedValue == "0")
{
Up.Sex = false;
}
else
{
Up.Sex = true;
}
Up.AddressSui = txtAddress.Text;
Up.HeightNum = decimal.Parse(txtHeight.Text);
Up.WeightNum = decimal.Parse(txtWeight.Text);
Up.BloodPress = decimal.Parse(txtBlood.Text);
Up.SuiFangDate = DateTime.Parse(txtDate.Text);
Up.SuiFNext = DateTime.Parse(txtNext.Text);
Suifang.BLL.T_SuiFang buser = new Suifang.BLL.T_SuiFang();
if (buser.Update(Up))
{
Response.Redirect("Message.aspx");
}
else
{
lbinfo.Text = "更改失败！";
}
}
protected void btnFan_Click(object sender, EventArgs e)
{
Response.Redirect("Message.aspx");
}
}
}
BLL层所用到的方法：
using System;
using System.Data;
using System.Collections.Generic;
using Suifang.Model;
namespace Suifang.BLL
{
public partial class T_SuiFang
{
private readonly Suifang.DAL.T_SuiFang dal=new Suifang.DAL.T_SuiFang();
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Suifang.Model.T_SuiFang model)
{
return dal.Add(model);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Suifang.Model.T_SuiFang model)
{
return dal.Update(model);
}
/// <summary>
/// 获得数据列表
/// </summary>
public DataSet GetList(string strWhere)
{
return dal.GetList(strWhere);
}
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｝
DAL层所用方法：
using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
namespace Suifang.DAL
{
public partial class T_SuiFang
{
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Suifang.Model.T_SuiFang model)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("insert into T_SuiFang(");
strSql.Append("Name,Age,Sex,AddressSui,HeightNum,WeightNum,BloodPress,SuiFangDate,SuiFNext)");
strSql.Append(" values (");
strSql.Append("@Name,@Age,@Sex,@AddressSui,@HeightNum,@WeightNum,@BloodPress,@SuiFangDate,@SuiFNext)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters = {
new SqlParameter("@Name", SqlDbType.VarChar,20),
new SqlParameter("@Age", SqlDbType.Int,4),
new SqlParameter("@Sex", SqlDbType.Bit,1),
new SqlParameter("@AddressSui", SqlDbType.VarChar,50),
new SqlParameter("@HeightNum", SqlDbType.Real,4),
new SqlParameter("@WeightNum", SqlDbType.Real,4),
new SqlParameter("@BloodPress", SqlDbType.Real,4),
new SqlParameter("@SuiFangDate", SqlDbType.DateTime),
new SqlParameter("@SuiFNext", SqlDbType.DateTime)};
parameters[0].Value = model.Name;
parameters[1].Value = model.Age;
parameters[2].Value = model.Sex;
parameters[3].Value = model.AddressSui;
parameters[4].Value = model.HeightNum;
parameters[5].Value = model.WeightNum;
parameters[6].Value = model.BloodPress;
parameters[7].Value = model.SuiFangDate;
parameters[8].Value = model.SuiFNext;
object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
if (obj == null)
{
return 0;
}
else
{
return Convert.ToInt32(obj);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Suifang.Model.T_SuiFang model)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("update T_SuiFang set ");
strSql.Append("Name=@Name,");
strSql.Append("Age=@Age,");
strSql.Append("Sex=@Sex,");
strSql.Append("AddressSui=@AddressSui,");
strSql.Append("HeightNum=@HeightNum,");
strSql.Append("WeightNum=@WeightNum,");
strSql.Append("BloodPress=@BloodPress,");
strSql.Append("SuiFangDate=@SuiFangDate,");
strSql.Append("SuiFNext=@SuiFNext");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters = {
new SqlParameter("@Name", SqlDbType.VarChar,20),
new SqlParameter("@Age", SqlDbType.Int,4),
new SqlParameter("@Sex", SqlDbType.Bit,1),
new SqlParameter("@AddressSui", SqlDbType.VarChar,50),
new SqlParameter("@HeightNum", SqlDbType.Real,4),
new SqlParameter("@WeightNum", SqlDbType.Real,4),
new SqlParameter("@BloodPress", SqlDbType.Real,4),
new SqlParameter("@SuiFangDate", SqlDbType.DateTime),
new SqlParameter("@SuiFNext", SqlDbType.DateTime),
new SqlParameter("@Id", SqlDbType.Int,4)};
parameters[0].Value = model.Name;
parameters[1].Value = model.Age;
parameters[2].Value = model.Sex;
parameters[3].Value = model.AddressSui;
parameters[4].Value = model.HeightNum;
parameters[5].Value = model.WeightNum;
parameters[6].Value = model.BloodPress;
parameters[7].Value = model.SuiFangDate;
parameters[8].Value = model.SuiFNext;
parameters[9].Value = model.Id;
int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
if (rows > 0)
{
return true;
}
else
{
return false;
}
}
/// <summary>
/// 获得数据列表
/// </summary>
public DataSet GetList(string strWhere)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select Id,Name,Age,Sex,AddressSui,HeightNum,WeightNum,BloodPress,SuiFangDate,SuiFNext ");
strSql.Append(" FROM T_SuiFang ");
if(strWhere.Trim()!="")
{
strSql.Append(" where "+strWhere);
}
return DbHelperSQL.Query(strSql.ToString());
}
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｝
DataAccess中的所有方法：
using System;
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Data.Common;
using System.Collections.Generic;
namespace Maticsoft.DBUtility
{
/// <summary>
/// 数据访问抽象基础类
/// Copyright (C) Maticsoft
/// </summary>
public abstract class DbHelperSQL
{
//数据库连接字符串(web.config来配置)，多数据库可使用DbHelperSQLP来实现.
public static string connectionString = ConfigurationManager.ConnectionStrings["sqlsever"].ConnectionString;
public DbHelperSQL()
{
}
#region 公用方法
/// <summary>
/// 判断是否存在某表的某个字段
/// </summary>
/// <param name="tableName">表名称</param>
/// <param name="columnName">列名称</param>
/// <returns>是否存在</returns>
public static bool ColumnExists(string tableName, string columnName)
{
string sql = "select count(1) from syscolumns where [id]=object_id('" + tableName + "') and [name]='" + columnName + "'";
object res = GetSingle(sql);
if (res == null)
{
return false;
}
return Convert.ToInt32(res) > 0;
}
public static int GetMaxID(string FieldName, string TableName)
{
string strsql = "select max(" + FieldName + ")+1 from " + TableName;
object obj = GetSingle(strsql);
if (obj == null)
{
return 1;
}
else
{
return int.Parse(obj.ToString());
}
}
public static bool Exists(string strSql)
{
object obj = GetSingle(strSql);
int cmdresult;
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
cmdresult = 0;
}
else
{
cmdresult = int.Parse(obj.ToString()); //也可能=0
}
if (cmdresult == 0)
{
return false;
}
else
{
return true;
}
}
/// <summary>
/// 表是否存在
/// </summary>
/// <param name="TableName"></param>
/// <returns></returns>
public static bool TabExists(string TableName)
{
string strsql = "select count(*) from sysobjects where id = object_id(N'[" + TableName + "]') and OBJECTPROPERTY(id, N'IsUserTable') = 1";
//string strsql = "SELECT count(*) FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[" + TableName + "]') AND type in (N'U')";
object obj = GetSingle(strsql);
int cmdresult;
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
cmdresult = 0;
}
else
{
cmdresult = int.Parse(obj.ToString());
}
if (cmdresult == 0)
{
return false;
}
else
{
return true;
}
}
public static bool Exists(string strSql, params SqlParameter[] cmdParms)
{
object obj = GetSingle(strSql, cmdParms);
int cmdresult;
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
cmdresult = 0;
}
else
{
cmdresult = int.Parse(obj.ToString());
}
if (cmdresult == 0)
{
return false;
}
else
{
return true;
}
}
#endregion
#region 执行简单SQL语句
/// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException e)
{
connection.Close();
throw e;
}
}
}
}
public static int ExecuteSqlByTime(string SQLString, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
cmd.CommandTimeout = Times;
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException e)
{
connection.Close();
throw e;
}
}
}
}
/// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">多条SQL语句</param>
public static int ExecuteSqlTran(List<String> SQLStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
conn.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
SqlTransaction tx = conn.BeginTransaction();
cmd.Transaction = tx;
try
{
int count = 0;
for (int n = 0; n < SQLStringList.Count; n++)
{
string strsql = SQLStringList[n];
if (strsql.Trim().Length > 1)
{
cmd.CommandText = strsql;
count += cmd.ExecuteNonQuery();
}
}
tx.Commit();
return count;
}
catch
{
tx.Rollback();
return 0;
}
}
}
/// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, string content)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand(SQLString, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
myParameter.Value = content;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static object ExecuteSqlGet(string SQLString, string content)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand(SQLString, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
myParameter.Value = content;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
/// </summary>
/// <param name="strSQL">SQL语句</param>
/// <param name="fs">图像字节,数据库的字段类型为image的情况</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSqlInsertImg(string strSQL, byte[] fs)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand(strSQL, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@fs", SqlDbType.Image);
myParameter.Value = fs;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 执行一条计算查询结果语句，返回查询结果（object）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（object）</returns>
public static object GetSingle(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
connection.Close();
throw e;
}
}
}
}
public static object GetSingle(string SQLString, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
cmd.CommandTimeout = Times;
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
connection.Close();
throw e;
}
}
}
}
/// <summary>
/// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string strSQL)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand(strSQL, connection);
try
{
connection.Open();
SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
}
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
return ds;
}
}
public static DataSet Query(string SQLString, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.SelectCommand.CommandTimeout = Times;
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
return ds;
}
}
#endregion
#region 执行带参数的SQL语句
/// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
int rows = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return rows;
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
}
}
}
/// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
public static void ExecuteSqlTran(Hashtable SQLStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
//循环
foreach (DictionaryEntry myDE in SQLStringList)
{
string cmdText = myDE.Key.ToString();
SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
int val = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
}
trans.Commit();
}
catch
{
trans.Rollback();
throw;
}
}
}
}
/// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
public static void ExecuteSqlTranWithIndentity(Hashtable SQLStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
int indentity = 0;
//循环
foreach (DictionaryEntry myDE in SQLStringList)
{
string cmdText = myDE.Key.ToString();
SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
foreach (SqlParameter q in cmdParms)
{
if (q.Direction == ParameterDirection.InputOutput)
{
q.Value = indentity;
}
}
PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
int val = cmd.ExecuteNonQuery();
foreach (SqlParameter q in cmdParms)
{
if (q.Direction == ParameterDirection.Output)
{
indentity = Convert.ToInt32(q.Value);
}
}
cmd.Parameters.Clear();
}
trans.Commit();
}
catch
{
trans.Rollback();
throw;
}
}
}
}
/// <summary>
/// 执行一条计算查询结果语句，返回查询结果（object）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（object）</returns>
public static object GetSingle(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
object obj = cmd.ExecuteScalar();
cmd.Parameters.Clear();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
}
}
}
/// <summary>
/// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string SQLString, params SqlParameter[] cmdParms)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
cmd.Parameters.Clear();
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw e;
}
//finally
//{
//cmd.Dispose();
//connection.Close();
//}
}
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand();
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
using (SqlDataAdapter da = new SqlDataAdapter(cmd))
{
DataSet ds = new DataSet();
try
{
da.Fill(ds, "ds");
cmd.Parameters.Clear();
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
return ds;
}
}
}
private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, string cmdText, SqlParameter[] cmdParms)
{
if (conn.State != ConnectionState.Open)
conn.Open();
cmd.Connection = conn;
cmd.CommandText = cmdText;
if (trans != null)
cmd.Transaction = trans;
cmd.CommandType = CommandType.Text;//cmdType;
if (cmdParms != null)
{
foreach (SqlParameter parameter in cmdParms)
{
if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
(parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
cmd.Parameters.Add(parameter);
}
}
}
#endregion
#region 存储过程操作
/// <summary>
/// 执行存储过程，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader RunProcedure(string storedProcName, IDataParameter[] parameters)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlDataReader returnReader;
connection.Open();
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.CommandType = CommandType.StoredProcedure;
returnReader = command.ExecuteReader(CommandBehavior.CloseConnection);
return returnReader;
}
/// <summary>
/// 执行存储过程
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="tableName">DataSet结果中的表名</param>
/// <returns>DataSet</returns>
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
sqlDA.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
}
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
sqlDA.SelectCommand.CommandTimeout = Times;
sqlDA.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
}
/// <summary>
/// 构建 SqlCommand 对象(用来返回一个结果集，而不是一个整数值)
/// </summary>
/// <param name="connection">数据库连接</param>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand</returns>
private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = new SqlCommand(storedProcName, connection);
command.CommandType = CommandType.StoredProcedure;
foreach (SqlParameter parameter in parameters)
{
if (parameter != null)
{
// 检查未分配值的输出参数,将其分配以DBNull.Value.
if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
(parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
command.Parameters.Add(parameter);
}
}
return command;
}
/// <summary>
/// 执行存储过程，返回影响的行数
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="rowsAffected">影响的行数</param>
/// <returns></returns>
public static int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
int result;
connection.Open();
SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
rowsAffected = command.ExecuteNonQuery();
result = (int)command.Parameters["ReturnValue"].Value;
//Connection.Close();
return result;
}
}
/// <summary>
/// 创建 SqlCommand 对象实例(用来返回一个整数值)
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand 对象实例</returns>
private static SqlCommand BuildIntCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.Parameters.Add(new SqlParameter("ReturnValue",
SqlDbType.Int, 4, ParameterDirection.ReturnValue,
false, 0, 0, string.Empty, DataRowVersion.Default, null));
return command;
}
#endregion
}
}
MODEL层所：
/** 版本信息模板在安装目录下，可自行修改。
* T_SuiFang.cs
*
* 功 能： N/A
* 类 名： T_SuiFang
*
* Ver 变更日期 负责人 变更内容
* ───────────────────────────────────
* V0.01 2013/4/9 8:52:39 N/A 初版
*
* Copyright (c) 2012 Maticsoft Corporation. All rights reserved.
*┌──────────────────────────────────┐
*│ 此技术信息为本公司机密信息，未经本公司书面同意禁止向第三方披露． │
*│ 版权所有：动软卓越（北京）科技有限公司 │
*└──────────────────────────────────┘
*/
using System;
namespace Suifang.Model
{
/// <summary>
/// T_SuiFang:实体类(属性说明自动提取数据库字段的描述信息)
/// </summary>
[Serializable]
public partial class T_SuiFang
{
public T_SuiFang()
{}
#region Model
private int _id;
private string _name;
private int? _age;
private bool _sex;
private string _addresssui;
private decimal? _heightnum;
private decimal? _weightnum;
private decimal? _bloodpress;
private DateTime? _suifangdate;
private DateTime? _suifnext;
public int Id
{
set{ _id=value;}
get{return _id;}
}
public string Name
{
set{ _name=value;}
get{return _name;}
}
public int? Age
{
set{ _age=value;}
get{return _age;}
}
public bool Sex
{
set{ _sex=value;}
get{return _sex;}
}
public string AddressSui
{
set{ _addresssui=value;}
get{return _addresssui;}
}
public decimal? HeightNum
{
set{ _heightnum=value;}
get{return _heightnum;}
}
public decimal? WeightNum
{
set{ _weightnum=value;}
get{return _weightnum;}
}
public decimal? BloodPress
{
set{ _bloodpress=value;}
get{return _bloodpress;}
}
public DateTime? SuiFangDate
{
set{ _suifangdate=value;}
get{return _suifangdate;}
}
public DateTime? SuiFNext
{
set{ _suifnext=value;}
get{return _suifnext;}
}
#endregion Model
}
}