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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace WebApplication2
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox TextBox;
protected System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;
protected System.Data.SqlClient.SqlCommand sqlInsertCommand1;
protected System.Web.UI.WebControls.Button Button1;
protected System.Data.SqlClient.SqlConnection sqlConnection1;
protected System.Data.SqlClient.SqlCommand sqlCommand1;
protected System.Web.UI.WebControls.DataGrid Grid1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
SqlConnection con = new SqlConnection("server=XCH;database=aaa;uid=sa;pwd=");
con.Open();
SqlDataAdapter da = new SqlDataAdapter("select *from Table1", con);
DataSet ds = new DataSet();
da.Fill(ds);
con.Close();
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
this.sqlCommand1 = new System.Data.SqlClient.SqlCommand();
this.Grid1.SelectedIndexChanged += new System.EventHandler(this.Grid1_SelectedIndexChanged);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
}
private void sqlConnection1_InfoMessage(object sender, System.Data.SqlClient.SqlInfoMessageEventArgs e)
{
}
private void Grid1_SelectedIndexChanged(object sender, System.EventArgs e)
{
}
}
}
SqlConnection con = new SqlConnection("server=XCH;database=aaa;uid=sa;pwd=");
con.Open();
SqlDataAdapter da = new SqlDataAdapter("select *from Table1", con);
DataSet ds = new DataSet();
da.Fill(ds);
con.Close();
this.Grid1.DataSource = ds.Tables[0];
this.Grid1.DataBind();
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace WebApplication3
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid Grid1;
protected System.Web.UI.WebControls.TextBox TextBox;
protected System.Web.UI.WebControls.Button Button1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Grid1.SelectedIndexChanged += new System.EventHandler(this.Grid1_SelectedIndexChanged);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
SqlConnection con = new SqlConnection("server=XCH;database=aaa;uid=sa;pwd=");
SqlDataAdapter da = new SqlDataAdapter("select *from Table1 where id=1",con);
DataSet ds = new DataSet();
da.Fill(ds);
this.Grid1.DataSource = ds;
this.Grid1.DataBind();
}
private void Grid1_SelectedIndexChanged(object sender, System.EventArgs e)
{
}
}
}
调试成功 但不显示查询的数据 怎么 回事 跪求帮助 private void Button1_Click(object sender, System.EventArgs e)
{
SqlConnection con = new SqlConnection("server=XCH;database=aaa;uid=sa;pwd=");
SqlDataAdapter da = new SqlDataAdapter("select *from Table1", con);
DataSet ds = new DataSet();
da.Fill(ds);
this.Grid1.DataSource = ds.Tables[0];
this.Grid1.DataBind();
}
这样显示全部数据 怎么显示要查询的数据啊using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace WebApplication3
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid Grid1;
protected System.Web.UI.WebControls.TextBox TextBox;
protected System.Web.UI.WebControls.Button Button1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
SqlConnection con = new SqlConnection("server=XCH;database=aaa;uid=sa;pwd=");
con.Open();
SqlDataAdapter da = new SqlDataAdapter("select *from Table1", con);
DataSet ds = new DataSet();
da.Fill(ds);
con.Close();
this.Grid1.DataSource = ds.Tables[0];
this.Grid1.DataBind();
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Grid1.SelectedIndexChanged += new System.EventHandler(this.Grid1_SelectedIndexChanged);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
}
private void Grid1_SelectedIndexChanged(object sender, System.EventArgs e)
{
}
}
}