1 using System;
2 using System.Data;
3 using System.Data.SqlClient;
4 using System.Configuration;
5 using System.Collections;
6 using System.Web;
7 using System.Web.Security;
8 using System.Web.UI;
9 using System.Web.UI.WebControls;
10 using System.Web.UI.WebControls.WebParts;
11 using System.Web.UI.HtmlControls;
12
13 public partial class Demo8 : System.Web.UI.Page
14 {
15 protected void Page_Load(object sender, EventArgs e)
16 {
17 if (Page.IsPostBack == false)
18 {
19 BindData();
20 }
21 }
22
23 public void BindData()
24 {
25 string strSql = "select UserID,C_Name,E_Name,QQ from Demo_User ";
26 DataTable dt = SqlHelper.ExecuteDataset(SqlHelper.CONN_STRING, CommandType.Text, strSql, null).Tables[0];
27
28 GridView.DataSource = dt;
29 GridView.DataKeyNames = new string[] { "UserID" };//主键
30 GridView.DataBind();
31 }
32
33 protected void GridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
34 {
35 GridView.PageIndex = e.NewPageIndex;
36 BindData();
37 }
38
39 protected void GridView_RowEditing(object sender, GridViewEditEventArgs e)
40 {
41 GridView.EditIndex = e.NewEditIndex;
42 BindData();
43 }
44
45 protected void GridView_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
46 {
47 GridView.EditIndex = -1;
48 BindData();
49 }
50
51 protected void GridView_RowUpdating(object sender, GridViewUpdateEventArgs e)
52 {
53 string strSql = "Update Demo_User set QQ=@QQ where UserID=@UserID ";
54 SqlParameter[] para = {
55 new SqlParameter("@QQ",((TextBox)(GridView.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim()),
56 new SqlParameter("@UserID",(int)GridView.DataKeys[e.RowIndex].Value),
57 };
58 SqlHelper.ExecuteNonQuery(SqlHelper.CONN_STRING, CommandType.Text, strSql, para);
59
60 GridView.EditIndex = -1;
61 BindData();
62 }
63 }
64
65
66
1 <table align="center" bgcolor="#c0de98" border="0" cellpadding="0" cellspacing="1" width="99%">
2 <tr>
3 <th colspan="2">
4 GridView演示</th>
5 </tr>
6 <tr>
7 <td colspan="2" style="width: 100%;" >
8 <asp:GridView ID="GridView" runat="server" Width="100%" AutoGenerateColumns="False" AllowPaging="True" OnPageIndexChanging="GridView_PageIndexChanging" PageSize="12"
9 OnRowCancelingEdit="GridView_RowCancelingEdit" OnRowEditing="GridView_RowEditing" OnRowUpdating="GridView_RowUpdating" >
10 <Columns>
11 <asp:BoundField DataField="UserID" HeaderText="UserID" ReadOnly="True" />
12 <asp:BoundField DataField="C_Name" HeaderText="中文名字" ReadOnly="True" />
13 <asp:BoundField DataField="E_Name" HeaderText="英文名字" ReadOnly="True" />
14 <asp:BoundField DataField="QQ" HeaderText="QQ帐号" />
15 <asp:CommandField HeaderText="编辑" ShowEditButton="True" />
16 </Columns>
17 <RowStyle HorizontalAlign="Center" />
18 <PagerStyle HorizontalAlign="Right" />
19 </asp:GridView>
20 </td>
21 </tr>
22
23
24 </table>