我感觉没区别啊?我把所有代码复制下来,大家看看: using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Data.SqlClient; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls;namespace xuanke { /// <summary> /// cedit 的摘要说明。 /// </summary> public class cedit : System.Web.UI.Page { protected System.Web.UI.WebControls.DropDownList DropDownList1; protected System.Web.UI.WebControls.DataGrid kc; protected System.Web.UI.WebControls.TextBox tiaojian; protected System.Web.UI.WebControls.Button retrieve;
{
string names;string password;
HttpCookie Cookie;
Cookie=new HttpCookie("mychoices");
try
{
if (Request.Cookies["mychoices"].Values["logname"]!="")
{
if(Request.Cookies["mychoices"].Values["pass"]!="")
{
names =Request.Cookies["mychoices"].Values["logname"];
password=Request.Cookies["mychoices"].Values["pass"];
}
}
}
catch
{
Response.Redirect("error.aspx");
}
{
if(!Page.IsPostBack)
{
SqlConnection Con = new SqlConnection("Data Source=localhost;Initial Catalog=xuanke;User ID=sa;Pwd=;Integrated Security=true;");
DataSet ds;
SqlDataAdapter Cmd;
string sel="select * from kecheng ";
Cmd=new SqlDataAdapter(sel,Con);
ds=new DataSet();
Cmd.Fill(ds,"kecheng");
kc.DataSource=ds.Tables["kecheng"].DefaultView;
kc.DataBind();
}
}
}
http://dotnet.aspx.cc/ShowDetail.aspx?id=8ADE535F-AD40-4DE3-A962-A64B4FAF12C4
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;namespace xuanke
{
/// <summary>
/// cedit 的摘要说明。
/// </summary>
public class cedit : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DropDownList DropDownList1;
protected System.Web.UI.WebControls.DataGrid kc;
protected System.Web.UI.WebControls.TextBox tiaojian;
protected System.Web.UI.WebControls.Button retrieve;
private void Page_Load(object sender, System.EventArgs e)
{
string names;string password;
HttpCookie Cookie;
Cookie=new HttpCookie("mychoices");
try
{
if (Request.Cookies["mychoices"].Values["logname"]!="")
{
if(Request.Cookies["mychoices"].Values["pass"]!="")
{
names =Request.Cookies["mychoices"].Values["logname"];
password=Request.Cookies["mychoices"].Values["pass"];
}
}
}
catch
{
Response.Redirect("error.aspx");
}
{
if(!Page.IsPostBack)
{
SqlConnection Con = new SqlConnection("Data Source=localhost;Initial Catalog=xuanke;User ID=sa;Pwd=;Integrated Security=true;");
DataSet ds;
SqlDataAdapter Cmd;
string sel="select * from kecheng ";
Cmd=new SqlDataAdapter(sel,Con);
ds=new DataSet();
Cmd.Fill(ds,"kecheng");
kc.DataSource=ds.Tables["kecheng"].DefaultView;
kc.DataBind();
}
}
} public void binddata()
{
SqlConnection Con = new SqlConnection("Data Source=localhost;Initial Catalog=xuanke;User ID=sa;Pwd=;Integrated Security=true;");
DataSet ds;
Con.Open();
SqlDataAdapter Cmd;
string sel="select * from kecheng where " +DropDownList1.SelectedValue+" like '%"+ tiaojian.Text.ToString()+"%'";
Cmd=new SqlDataAdapter(sel,Con);
ds=new DataSet();
Cmd.Fill(ds,"kecheng");
kc.DataSource=ds.Tables["kecheng"].DefaultView;
kc.DataBind();
Con.Close();
}
protected void kc_Edit(Object sender, DataGridCommandEventArgs E)
{
kc.EditItemIndex = (int)E.Item.ItemIndex;
binddata();
}
protected void kc_Cancel(Object sender, DataGridCommandEventArgs E)
{
kc.EditItemIndex = -1;
binddata();
}
protected void kc_Update(Object sender, DataGridCommandEventArgs E)
{
string SQL="UPDATE kecheng SET cname=@cname,cengci=@cengci,xuefen=@xuefen,qishizhou=@qishizhou,xueshi=@xueshi,tno=@tno,tname=@tname,tzhicheng=@tzhicheng,duixiang=@duixiang WHERE cid=@cid";
SqlConnection Con = new SqlConnection("Data Source=localhost;Initial Catalog=xuanke;User ID=sa;Pwd=;Integrated Security=true;");
SqlCommand delCommand =new SqlCommand(SQL,Con);
delCommand.Parameters.Add(new SqlParameter("@cid",SqlDbType.Char,10));
delCommand.Parameters["@cid"].Value=kc.DataKeys[(int)E.Item.ItemIndex].ToString(); delCommand.Parameters.Add(new SqlParameter("@cname",SqlDbType.Char,50));
delCommand.Parameters["@cname"].Value=((TextBox)E.Item.Cells[1].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@cengci",SqlDbType.Char,6));
delCommand.Parameters["@cengci"].Value=((TextBox)E.Item.Cells[2].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@xuefen",SqlDbType.Decimal,9));
delCommand.Parameters["@xuefen"].Value=decimal.Parse(((TextBox)E.Item.Cells[3].Controls[0]).Text); delCommand.Parameters.Add(new SqlParameter("@qishizhou",SqlDbType.Char,10));
delCommand.Parameters["@qishizhou"].Value=((TextBox)E.Item.Cells[4].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@xueshi",SqlDbType.Char,2));
delCommand.Parameters["@xueshi"].Value=((TextBox)E.Item.Cells[5].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@tno",SqlDbType.Char,10));
delCommand.Parameters["@tno"].Value=((TextBox)E.Item.Cells[6].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@tname",SqlDbType.Char,10));
delCommand.Parameters["@tname"].Value=((TextBox)E.Item.Cells[7].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@tzhicheng",SqlDbType.Char,10));
delCommand.Parameters["@tzhicheng"].Value=((TextBox)E.Item.Cells[8].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@duixiang",SqlDbType.Char,20));
delCommand.Parameters["@duixiang"].Value=((TextBox)E.Item.Cells[9].Controls[0]).Text; delCommand.Parameters.Add(new SqlParameter("@leixing",SqlDbType.Char,20));
delCommand.Parameters["@leixing"].Value=((TextBox)E.Item.Cells[9].Controls[0]).Text;
delCommand.Connection.Open();
delCommand.ExecuteNonQuery();
delCommand.Connection.Close();
kc.EditItemIndex = -1;
binddata();
}
private void Button1_Click(object sender, System.EventArgs e)
{
binddata();
}
#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.retrieve.Click += new System.EventHandler(this.Button1_Click);
this.kc.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.kc_ItemCreated);
this.kc.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.kc_Delete);
this.kc.SelectedIndexChanged += new System.EventHandler(this.kc_SelectedIndexChanged);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion public void kc_Delete(object source, DataGridCommandEventArgs E)
{
SqlConnection Con = new SqlConnection("Data Source=localhost;Initial Catalog=xuanke;User ID=sa;Pwd=;Integrated Security=true;");
string sqlstr="DELETE FROM kecheng WHERE cid=@cid";
SqlCommand delCommandl =new SqlCommand(sqlstr,Con);
delCommand.Parameters.Add(new SqlParameter("@cid",SqlDbType.Char,10));
delCommand.Parameters["@cid"].Value=kc.DataKeys[(int)E.Item.ItemIndex].ToString();
Con.Open();
delCommand.ExecuteNonQuery();
Con.Close();
binddata();
} private void kc_SelectedIndexChanged(object sender, System.EventArgs e)
{
} private void kc_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if(e.Item.ItemIndex>=0)
{
Button LB=(Button)e.Item.Cells[((DataGrid)sender).Columns.Count-1].Controls[0];
LB.Attributes.Add("onclick", "if(!confirm('确定要删除该行数据吗?')) return false;");
}
if(e.Item.ItemIndex>=0)
{
Button LB=(Button)e.Item.Cells[((DataGrid)sender).Columns.Count-2].Controls[0];
LB.Attributes.Add("onclick", "if(!confirm('确定要修改该行数据吗?')) return false;");
}
}
}
}
if(e.Item.ItemIndex>=0)
{
Button LB=(Button)e.Item.Cells[((DataGrid)sender).Columns.Count-1].Controls[0];
LB.Attributes.Add("onclick", "if(!confirm('确定要删除该行数据吗?')) return false;");
}
if(e.Item.ItemIndex>=0)
{
Button LB=(Button)e.Item.Cells[((DataGrid)sender).Columns.Count-2].Controls[0];
LB.Attributes.Add("onclick", "if(!confirm('确定要修改该行数据吗?')) return false;");