本文实例讲述了asp.net实现批量删除功能的方法。对于asp.net的学习有一定的参考价值。分享给大家供大家参考之用。具体实现方法入戏：
.aspx文件代码如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
<asp:GridView ID="GridView1" runat="server" Width="100%" EmptyDataText="暂时无数据" BorderColor="White" OnRowDeleting="GridView1_RowDeleting"><Columns><asp:TemplateField HeaderText="选择"><ItemStyle Width="20px" /> <ItemTemplate> <asp:CheckBox id="id" runat="Server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="id" HeaderText="序号" > <ItemStyle Width="20px" /> </asp:BoundField> <asp:TemplateField HeaderText="标题"> <ItemStyle Width="400px" /> <ItemTemplate> <a href="../shangpu/<%#eval_r("pageurl") %>" target="_blank"><%#eval_r("title") %></a> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="发表时间"> <ItemStyle Width="100px" /> <ItemTemplate> <%# Convert.ToDateTime(eval_r("addtime")).Date.ToString("yyyy-MM-dd") %> </ItemTemplate> </asp:TemplateField> <asp:HyperLinkField DataNavigateUrlFormatString="shangpu_edit.aspx?id={0}" Text="修改" NavigateUrl="shangpu_edit.aspx?id={0}" DataNavigateUrlFields="id" > <ItemStyle Width="30px" /> </asp:HyperLinkField> <asp:CommandField ShowDeleteButton="True" HeaderText="删除" DeleteText="<div id="de" onclick="JavaScript:return confirm('确定删除吗？')">删除</div>" > <ItemStyle Width="30px" /> </asp:CommandField> </Columns> <EmptyDataTemplate> <font color=red>暂时无数据</font> </EmptyDataTemplate><RowStyle Height="20px" /> </asp:GridView> |
.cs 文件代码如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
protected void btndeleteall_Click(object sender, EventArgs e){string sqltext = "(";for (int i = 0; i < GridView1.Rows.Count; i++){ CheckBox chb = (CheckBox)GridView1.Rows[i].FindControl("id"); if (chb.Checked) { sqltext = sqltext + GridView1.DataKeys[i].Value.ToString() + ","; }}sqltext = sqltext.Substring(0, sqltext.Length - 1) + ")";sqltext = "delete from shangpu where id in" + sqltext;string sqlcon = ConfigurationManager.AppSettings["ConnectionString"].ToString();SqlConnection con = new SqlConnection(sqlcon);con.Open();SqlCommand cmd = new SqlCommand(sqltext, con);try{ int count = Convert.ToInt32(cmd.ExecuteNonQuery()); if (count > 0) { viewbind(); MessageBox.Show(this, "删除成功,共删除" + count + "条记录！"); }}catch{ MessageBox.Show(this, "删除失败！");}finally{ con.Close(); con.Dispose();}} |
感兴趣的朋友可以调试运行一下本文实例，学有余力的朋友还可以对代码作出改进以完善其功能。希望本文实例对大家的asp.net学习有一定的帮助作用。
