// 脚本全选
1 <head runat="server">
2 <title></title>
3 <script type="text/javascript">
4 function selectAll(chk) {
5 var checkboxs = document.getElementsByTagName("input");
6 for (var i = 0; i < checkboxs.length; i++) {
7 if(checkboxs[i].type == "checkbox"){
8 checkboxs[i].checked = chk.checked;
9 }
10 }
11 }
12 </script>
13 </head>
1 <HeaderTemplate> 2 <asp:CheckBox ID="cboSelectAll" Text="全选" runat="server" AutoPostBack="True" oncheckedchanged="cboSelectAll_CheckedChanged" />| 4 <input type="checkbox" id="htmlCboSelectAll" onclick="selectAll(this)" />JS全选 <br /> 6 <asp:LinkButton ID="lbDeleteSelected" runat="server" 7 onclick="lbDeleteSelected_Click" OnClientClick="return confirm(‘确定要批量删除吗？‘)">批量删除</asp:LinkButton> 8 </HeaderTemplate>
1 //批量删除
2 protected void lbDeleteSelected_Click(object sender, EventArgs e)
3 {
4 bool hasDeleteRow = false;//是否有选中要删除的项
5 StringBuilder bookIDs = new StringBuilder("delete from BookInfo where bookid in(");
6 //遍历GridView中的行，获取被选中行的主键值
7 foreach (GridViewRow row in this.gvBookInfos.Rows)
8 {
9 if (((CheckBox)row.FindControl("cboSelect")).Checked)
10 {
11 hasDeleteRow = true;
12 int bookID = Convert.ToInt32(this.gvBookInfos.DataKeys[row.RowIndex].Value);
13 bookIDs.Append(bookID+",");
14 }
15 }
16 //没有选中行时，给出相应提示
17 if (!hasDeleteRow)
18 {
19 Page.ClientScript.RegisterStartupScript(this.GetType(), "", "alert(‘请选择要删除的选项！‘)", true);
20 return;
21 }
22 string ids = bookIDs.ToString();
23 ids = ids.Substring(0,ids.Length-1)+")";
24 int result = DBUtil.ExecuteSql(ids);
25 if (result > 0)
26 {
27 Page.ClientScript.RegisterStartupScript(this.GetType(), "", "alert(‘批量删除成功！‘)", true);
28 GridViewBind();
29 }
30 else
31 {
32 Page.ClientScript.RegisterStartupScript(this.GetType(), "", "alert(‘批量删除失败！‘)", true);
33 }
34 }
时间： 2024-12-26 16:19:56