ASP.NET2.0下含有CheckBox的GridView删除选定记录实例

1  <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" PageSize="5" 


 2                         Width="726px" AllowPaging="True" AllowSorting="True"


 3                          DataKeyNames="DB1_1,DB1_2"  OnRowDeleting="GridView1_RowDeleting"   OnPageIndexChanging="GridView1_PageIndexChanging" OnRowDataBound="GridView1_RowDataBound" OnSorting="GridView1_Sorting" Height="279px" >


 4                         <Columns>


 5                             <asp:TemplateField HeaderText="序号" >


 6                                 <ItemTemplate>


 7                                 <%# this.GridView1.PageIndex * this.GridView1.PageSize + this.GridView1.Rows.Count + 1%>


 8                                 </ItemTemplate>


 9                             </asp:TemplateField>


10                             <asp:TemplateField  HeaderText="选择" >


11                                 <ItemTemplate>


12                                     <asp:CheckBox ID="chkSelect" runat="server" ></asp:CheckBox>


13                                 </ItemTemplate>


14                             </asp:TemplateField>


15                          <asp:TemplateField HeaderText="操作" ShowHeader="False">


16                              <ItemTemplate>


17                             <asp:LinkButton ID="lbtnDelete" runat="server" CausesValidation="False" CommandName="Delete"


18                                 Text="删除" OnClientClick="return confirm('确认要删除吗？');"></asp:LinkButton>


19                         </ItemTemplate>


20                         </asp:TemplateField>


21                        </Columns>


22                        <AlternatingRowStyle BackColor="Aquamarine" />


23                     </asp:GridView>




1  <asp:CheckBox ID="chkSelectAll" runat="server" Text="全部选中" OnCheckedChanged="chkSelectAll_CheckedChanged" AutoPostBack="True" ></asp:CheckBox>


2                     <asp:Button ID="btnDelete" runat="server" Text="删除" OnClick="btnDelete_Click"  />




 1   protected void btnDelete_Click(object sender, EventArgs e)




 2     ...{


 3         string strDelete = "";


 4         for (int i = 0; i < this.GridView1.Rows.Count; i++)




 5         ...{


 6             string Label;


 7             bool isChecked = ((CheckBox)GridView1.Rows[i].FindControl("chkSelect")).Checked;


 8             Label = ((Label)GridView1.Rows[i].FindControl("labXH")).Text;


 9             if (isChecked)




10             ...{


11                strDelete = "DB1_1" + "=" + Label;


12             }


13         }


14         conn.RunSql("Delete from DB1 where " + strDelete 


15         this.chkSelectAll.Checked = false;


16         GridViewBind();


17     }


18  


19   protected void chkSelectAll_CheckedChanged(object sender, EventArgs e)




20     ...{


21         //遍历GridView行获取CheckBox属性


22     for (int i = 0; i < this.GridView1.Rows.Count; i++)




23         ...{


24             ((CheckBox)GridView1.Rows[i].FindControl("chkSelect")).Checked = this.chkSelectAll.Checked;


25         }


26     }




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