ASP。net 之view

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Index.aspx.cs" Inherits="Index" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>网页查询</title>
    <link href="http://cdn.bootcss.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet" />
    <script src="http://cdn.bootcss.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
     <!-- HTML5 Shim 和 Respond.js 用于让 IE8 支持 HTML5元素和媒体查询 -->
      <!-- 注意: 如果通过 file://  引入 Respond.js 文件,则该文件无法起效果 -->
      <!--[if lt IE 9]>
         <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
         <script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
      <![endif]-->
    <style>
        * {
            margin:0px;
            padding:0px;
        }
        
        .lab-a {
            margin:20px auto;
            

        }
       
         

    </style>
</head>
<body>
    <form id="form1" runat="server" class="form-horizontal">
   
       <div class="form-group lab-a">  
          <asp:Label ID="Label1" runat="server" Text="标题:" style="margin-bottom:-30px;" class="col-sm-3 control-label  "></asp:Label>
            <div class="col-sm-10 col-sm-offset-3">
              <asp:TextBox ID="TextBox1" runat="server" Height="30px" Width="271px" class="form-control"></asp:TextBox>
            </div>
       </div>
        <div class="form-group ">
           <div class="col-sm-10 col-sm-offset-3">
                <label for="name">查询条件选择:</label>
<div class="lab-a ">
  <label class="checkbox-inline">
    <asp:CheckBox ID="CheckBox2" runat="server" /> 学生性别
  </label>
    
  <label class="checkbox-inline">
    <asp:CheckBox ID="CheckBox4" runat="server" /> 学生姓名
  </label>
  <label class="checkbox-inline">
   <asp:CheckBox ID="CheckBox5" runat="server" />学生年龄
  </label>
  
</div>
           </div>
        </div>
        <div class="form-group">
             <div class="col-sm-offset-3 col-sm-10">
                 <asp:Button ID="Button1" runat="server" Text="查询" class="btn btn-primary" OnClick="Button1_Click1" />
                  <asp:Button ID="Button5" runat="server" Text="添加" class="btn btn-success" OnClick="Button5_Click" />
                  <asp:Button ID="Button2" runat="server" Text="修改" class="btn btn-warning" OnClick="Button2_Click" />
                  <asp:Button ID="Button3" runat="server" Text="删除" class="btn btn-danger" OnClick="Button3_Click" />
                 
                 <asp:ScriptManager ID="ScriptManager1" runat="server">
                 </asp:ScriptManager>
                 
             </div>
           
                
             
        </div>
        
      

        
  
        
        <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
            <ContentTemplate>
               <div class="form-group">
          <div class="col-sm-offset-2 col-sm-10">
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Height="126px" Width="855px" BackColor="White" BorderColor="#336666" BorderStyle="Double" BorderWidth="3px" CellPadding="4" GridLines="Horizontal" AllowPaging="True" CssClass="table-hover table" PageSize="5" OnPageIndexChanging="GridView1_PageIndexChanging" OnDataBound="GridView1_DataBound" AllowSorting="True" OnSorting="GridView1_Sorting" OnRowDataBound="GridView1_RowDataBound" OnRowDeleting="GridView1_RowDeleting" >
            <Columns>
                <asp:TemplateField HeaderText="选择">
                    <ItemTemplate>
                        <asp:CheckBox ID="CheckBox1" runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:BoundField DataField="stu_id" HeaderText="学生编号" SortExpression="stu_id" />
                <asp:BoundField DataField="stu_code" HeaderText="学生学号" />
                <asp:BoundField DataField="stu_name" HeaderText="学生姓名" />
                <asp:BoundField DataField="stu_sex" HeaderText="学生性别" />
                <asp:BoundField DataField="age" HeaderText="学生年龄" />
                <asp:BoundField DataField="stu_dept" HeaderText="学生系别" />
                <asp:BoundField DataField="stu_admin" HeaderText="学生密码" />
                <asp:BoundField DataField="stu_provinces" HeaderText="省" />
                <asp:BoundField DataField="stu_city" HeaderText="市" />
                <asp:BoundField DataField="stu_districts" HeaderText="县" />
                <asp:CommandField HeaderText="删除" ShowDeleteButton="True"  />
            </Columns>
            <FooterStyle BackColor="White" ForeColor="#333333" />
            <HeaderStyle BackColor="#336666" Font-Bold="True" ForeColor="White" />
            <PagerStyle BackColor="#336666" ForeColor="White" HorizontalAlign="Center" />
            <PagerTemplate>
                <asp:Label ID="lblPage" runat="server" Text='<%# "第" + (((GridView)Container.NamingContainer).PageIndex + 1)  + "页/共" + (((GridView)Container.NamingContainer).PageCount) + "页" %> '></asp:Label>  
         <asp:LinkButton ID="lbnFirst" runat="Server" Text="首页"  Enabled='<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>' CommandName="Page" CommandArgument="First"  ></asp:LinkButton>  
        <asp:LinkButton ID="lbnPrev" runat="server" Text="上一页" Enabled='<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>' CommandName="Page" CommandArgument="Prev"  class="previous" ></asp:LinkButton>  
        <asp:LinkButton ID="lbnNext" runat="Server" Text="下一页" Enabled='<%# ((GridView)Container.NamingContainer).PageIndex != (((GridView)Container.NamingContainer).PageCount - 1) %>' CommandName="Page" CommandArgument="Next"  class="next"></asp:LinkButton>  
         <asp:LinkButton ID="lbnLast" runat="Server" Text="尾页"   Enabled='<%# ((GridView)Container.NamingContainer).PageIndex != (((GridView)Container.NamingContainer).PageCount - 1) %>' CommandName="Page" CommandArgument="Last" ></asp:LinkButton>  
         到第 <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" ForeColor="Red" Height="19px" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" Width="70px"></asp:DropDownList> 页 
            </PagerTemplate>
            <RowStyle BackColor="White" ForeColor="#333333" />
            <SelectedRowStyle BackColor="#339966" Font-Bold="True" ForeColor="White" />
            <SortedAscendingCellStyle BackColor="#F7F7F7" />
            <SortedAscendingHeaderStyle BackColor="#487575" />
            <SortedDescendingCellStyle BackColor="#E5E5E5" />
            <SortedDescendingHeaderStyle BackColor="#275353" />
        </asp:GridView>
              </div>
       </div>
            </ContentTemplate>
        </asp:UpdatePanel>

        
  
        
    </form>
</body>
</html>

  

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using MySql.Data.MySqlClient;
using DBHelper;


public partial class Index : System.Web.UI.Page
{
    Student stu_s = new Student();
    
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack) 
        {
            ViewState["SortOrder"] = "stu_id";
            ViewState["OrderDire"] = "ASC";
            BindView();
        }
    }

    public void BindView() 
    {
        string names = "";
        if (!string.IsNullOrEmpty(this.TextBox1.Text)) {
            names += " and stu_name like '" + this.TextBox1.Text + "%'";
        
        }
        DataView view=stu_s.GetTableSet(names);
        string sort = (string)ViewState["SortOrder"] + " " + (string)ViewState["OrderDire"];
        view.Sort = sort;
        GridView1.DataSource = view;
        GridView1.DataKeyNames = new string[] { "stu_id" };
        GridView1.DataBind();

        //GridView1.BottomPagerRow.Visible = true;
        //GridViewRow pagerow = GridView1.BottomPagerRow;
        
       
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        BindView();
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        GridViewRow pagerRow = GridView1.BottomPagerRow;

        DropDownList pageList = (DropDownList)pagerRow.Cells[0].FindControl("DropDownList1");

        GridView1.PageIndex = pageList.SelectedIndex;
        BindView();
    }
    protected void GridView1_DataBound(object sender, EventArgs e)
    {
        
        //GridViewRow pagerRow = GridView1.BottomPagerRow;
        //DropDownList pageList = (DropDownList)pagerRow.Cells[0].FindControl("DropDownList1");
        //if (pageList != null)
        //{

            
        //    for (int i = 0; i < GridView1.PageCount; i++)
        //    {

       
        //        int pageNumber = i + 1;
        //        ListItem item = new ListItem(pageNumber.ToString());

               
        //        if (i == GridView1.PageIndex)
        //        {
        //            item.Selected = true;
        //        }

               
        //        pageList.Items.Add(item);

        //    }

        //}
           
        
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
          
    }
    protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
    {
        string sPage = e.SortExpression;
        if (ViewState["SortOrder"].ToString() == sPage)
        {
            if (ViewState["OrderDire"].ToString() == "Desc")
                ViewState["OrderDire"] = "ASC";
            else
                ViewState["OrderDire"] = "Desc";
        }
        else
        {
            ViewState["SortOrder"] = e.SortExpression;
        }
        BindView();
    }
    protected void Button1_Click1(object sender, EventArgs e)
    {
        //if (this.TextBox1.Text == "")
        //{
        //    BindView();
        //}
        //else 
        //{
        //    string names = this.TextBox1.Text.Trim();
        //    DataView view = stu_s.GetTableViewString(names);

          
        //    GridView1.DataSource = view;
        //    GridView1.DataKeyNames = new string[] { "stu_id" };
        //    GridView1.DataBind();
        
        //}
        BindView();
        
    }
    protected void Button5_Click(object sender, EventArgs e)
    {
        Response.Redirect("AddStudent.aspx");
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        string id="";
        for (int i = 0; i < GridView1.Rows.Count - 1; i++) {
            CheckBox ckb = (CheckBox)GridView1.Rows[i].FindControl("Checkbox1");
            if (ckb.Checked == true) {

                id = GridView1.DataKeys[i].Value.ToString();
            }
        
        }
        Response.Redirect("AddStudent.aspx?id=" + id);
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string sqlstr = "delete from t_student where stu_id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
        DBHelper.SqlHelper.ExecteNonQueryText(sqlstr);
        Response.Write("<script>alert('删除成功')</script>");
        GridView1.EditIndex = -1;
        BindView();
    }
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
          //如果是绑定数据行
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate)
            {
                ((LinkButton)e.Row.Cells[11].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除:" + e.Row.Cells[3].Text + "吗?')");
            }



            //////首先判断是否是数据行
            ////if (e.Row.RowType == DataControlRowType.DataRow)
            ////{
            ////    //当鼠标停留时更改背景色
            ////    e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#00A9FF'");
            ////    //当鼠标移开时还原背景色
            ////    e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
            ////}


            //如果是绑定数据行
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                //鼠标经过时,行背景色变
                e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#E6F5FA'");
                //鼠标移出时,行背景色变
                e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#FFFFFF'");
            }
        }
        
    }
    protected void Button3_Click(object sender, EventArgs e)
    {

        string id = "";
        for (int i = 0; i < GridView1.Rows.Count - 1; i++)
        {
            CheckBox ckb = (CheckBox)GridView1.Rows[i].FindControl("Checkbox1");
            if (ckb.Checked == true)
            {

                id = GridView1.DataKeys[i].Value.ToString();
            }

        }
        int x = stu_s.GetDelStudent(id);
        if (x > 0)
        {
            Response.Write("<script>alert('删除成功,当前删除值':" + id + ");</script>");
        }
        else {

            Response.Write("<script>alert('删除失败')</script>");
        }
        BindView();
    }
}

  

原文地址:https://www.cnblogs.com/mengluo/p/6068122.html