<table style="border:solid 1px green" width="35%">
<tr>
<td style="background-color:Fuchsia;">
<strong>
<span>
GridView控件与checkbox控件结合
</span>
</strong>
</td>
</tr>
<tr>
<td >
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" BackColor="#DEBA84" BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellPadding="3" CellSpacing="2" DataKeyNames="stuid">
<Columns>
<asp:TemplateField >
<HeaderTemplate>
<asp:CheckBox ID="chAll" runat="server" Text="全选" AutoPostBack="True" OnCheckedChanged="chAll_CheckedChanged" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="cbo" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="stuid" HeaderText="学生编号" />
<asp:BoundField DataField="stuname" HeaderText="姓名" />
<asp:BoundField DataField="stuadd" HeaderText="地址" />
<asp:BoundField DataField="stucity" HeaderText="城市" />
</Columns>
<FooterStyle BackColor="#F7DFB5" ForeColor="#8C4510" />
<RowStyle BackColor="#FFF7E7" ForeColor="#8C4510" />
<SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="White" />
<PagerStyle ForeColor="#8C4510" HorizontalAlign="Center" />
<HeaderStyle BackColor="#A55129" Font-Bold="True" ForeColor="White" />
</asp:GridView>
</td>
</tr>
<tr>
<td >
<asp:Button ID="btndel" runat="server" Text="删除" OnClick="btndel_Click" />
<asp:Button ID="btncancel" runat="server" Text="取消选择" OnClick="btncancel_Click" />
</td>
</tr>
</table>
后代代码：
/// <summary>
/// 全选
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void chAll_CheckedChanged(object sender, EventArgs e)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox ch = (CheckBox)gr.FindControl("cbo");
//相互变幻
if (ch.Checked == true)
{
ch.Checked = false;
}
else
{
ch.Checked = true;
}
}
}
//取消选择
protected void btncancel_Click(object sender, EventArgs e)
{
foreach (GridViewRow gr in GridView1.Rows)
{
CheckBox ch = (CheckBox)gr.FindControl("cbo");
//取消选择
ch.Checked = false;
}
}
//删除
protected void btndel_Click(object sender, EventArgs e)
{
btndel.Attributes.Add("onclick","javascript:return confirm('确定删除吗?');");
//进行相关操作
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["connection"].ConnectionString);
con.Open();
//for(int i=0;i<=GridView1.Rows.Count-1;i++)
//{
foreach(GridViewRow gr in GridView1.Rows)
{
CheckBox ch = (CheckBox)gr.FindControl("cbo");
if (ch.Checked == true)
{
//定义删除行的字符串
string cmdtext = "delete from student where stuid="+GridView1.DataKeys[gr.RowIndex].Value.ToString();
//创建命令对象
SqlCommand cmd = new SqlCommand(cmdtext,con);
//执行删除操作
cmd.ExecuteNonQuery();
}
}
//关闭数据库连接
con.Close();
//回绑数据
BindGridView();
Response.Write("<script>alert('删除成功。');</script>");
}