protected void Button2_Click(object sender, EventArgs e)
{
System.Web.UI.WebControls.CheckBox chkEport;
if (Button2.Text == "全选")
{
foreach (GridViewRow gridviewrow in GridView1.Rows)
{
chkEport = (CheckBox)gridviewrow.FindControl("chkEport");
chkEport.Checked = true;
}
Button2.Text = "取消";
}
else
{
foreach (GridViewRow gridviewrow in GridView1.Rows)
{
chkEport = (CheckBox)gridviewrow.FindControl("chkEport");
chkEport.Checked = false;
}
Button2.Text = "全选";
}
}
protected void Button3_Click(object sender, EventArgs e)
{
System.Web.UI.WebControls.CheckBox chkEport;
foreach (GridViewRow gridviewrow in GridView1.Rows)
{
chkEport = (CheckBox)gridviewrow.FindControl("chkEport");
if (chkEport.Checked)
{
int x = Convert.ToInt32(this.GridView1.DataKeys[gridviewrow.RowIndex].Value);
string deleteStr = "delete from news where ID='" +x+ "'";
SqlConnection myCon = DB.createConnection();
SqlCommand myCom = new SqlCommand(deleteStr,myCon);
myCon.Open();
myCom.ExecuteNonQuery();
myCon.Close();
}
}
BindData();
}
<asp:GridView
ID="GridView1" runat="server" CellPadding="4"
AutoGenerateColumns="False" ForeColor="#333333" GridLines="None"
OnRowDeleting="GridView1_RowDeleting" DataKeyNames="id"
AllowPaging="True" OnPageIndexChanging="GridView1_PageIndexChanging"
Width="541px">
<FooterStyle BackColor="#990000" ForeColor="White" Font-Bold="True" />
<RowStyle BackColor="#FFFBD6" ForeColor="#333333" />
<SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="Navy" />
<PagerStyle BackColor="#FFCC66" ForeColor="#333333" HorizontalAlign="Center" />
<HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:TemplateField ShowHeader="False">
<ItemTemplate>
<asp:CheckBox ID="chkEport" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="id" HeaderText="新闻ID" />
<asp:BoundField DataField="title" HeaderText="新闻标题" />
<asp:BoundField DataField="releasetime" HeaderText="发表时间" />
</Columns>
<EmptyDataTemplate>
没有任何数据！
</EmptyDataTemplate>
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
注意设置Button和CheckBox和GridView