SQL存储过程使用方法

public void findflight()

{

// 创建参数

IDataParameter[] parameters = {

new SqlParameter("@Id", SqlDbType.Int,4) ,

new SqlParameter("@Name", SqlDbType.NVarChar) ,

};

// 设置参数类型

parameters[0].Direction = ParameterDirection.Output; // 设置为输出参数

parameters[1].Value = "张三";

LoadDate(“P_FindFlihgt”,parameters);
int id = (int)parameter[0].Value;
}
//调用存储过程返回DateTable
 public static DataTable LoadData(string strProcName, params object[] paraValues)
         {
             DataTable dt = new DataTable();
             string strConn = ConfigurationManager.ConnectionStrings["HealthHospInfection"].ConnectionString;
             using (SqlConnection conn = new SqlConnection(strConn))
             {
                 try
                 {
                    SqlCommand cmd = new SqlCommand();
                     cmd.CommandText = strProcName;
                     // 设置CommandType的类型
                     cmd.CommandType = CommandType.StoredProcedure;
                     cmd.Connection = conn;
                     conn.Open();
 
                     if (paraValues != null)
                     {
                         //添加参数
                         cmd.Parameters.AddRange(paraValues);
                     }
 
                     // 取数据
                     using (SqlDataAdapter adapter = new SqlDataAdapter(cmd))
                     {
                         adapter.Fill(dt);
                     }
                 }
                 catch (Exception ex)
                {
                     MessageBox.Show("错误:" + ex.Message + "/r/n跟踪:" + ex.StackTrace);
                 }
                 finally
                 {
                     conn.Close();
                 }
             }
             return dt;
         }      
原文地址:https://www.cnblogs.com/lcidy/p/8963314.html