一个简单的c#问题，帮忙看一下。谢谢

来源：百度知道 编辑：UC知道 时间：2024/06/27 05:42:04
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class Default4 : System.Web.UI.Page
{
protected SqlConnection myconn = new SqlConnection();
protected DataSet myds = new DataSet();
protected DataGrid mygr = new DataGrid();

protected void Page_Load(object sender, EventArgs e)
{
try
{
myconn.ConnectionString = "Server=(local) ;database=xue;user=sa;pwd=xue";
myconn.Open();
SqlDataAdapter myda = new SqlDataAdapter("Select * from Table2",myconn);
myda.Fill(myds, "Table3");
myconn.Close();<

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class Default4 : System.Web.UI.Page
{
protected SqlConnection myconn = new SqlConnection();
protected DataSet myds = new DataSet();
protected DataGrid mygr = new DataGrid();

protected void Page_Load(object sender, EventArgs e)
{
}

protected void Button1_Click(object sender, EventArgs e)
{
myconn.ConnectionString = "Server=(local) ;database=xue;user=sa;pwd=xue";
SqlDataAdapter myda = new SqlDataAdapter("Select '职工号','姓名','身份证号','地址','电话','部门编号' fro