在gridview中添加一列radio 并能将其选中的行删除

Question

需求：在gridview中添加一列radio 并能将其选中的行删除！

Answer 1

foreach (GridViewRow gr in this.Gridview1.Rows)  
  {  
  if (((RadioButton)gr.FindControl("RadioButton1")).Checked)  
  {}  
  }  

Answer 2

楼上正解，如果是要点击radio 的时候删除，可以给RadioButton1加个事件

Answer 3

 <asp:TemplateField HeaderText="选中状态">
      <HeaderTemplate>
           <asp:CheckBox ID="chkAll" OnCheckedChanged="SelectAll" runat="server" Text="全选" AutoPostBack="true"/>
      </HeaderTemplate>
      <ItemTemplate>
                <asp:CheckBox ID="cb" runat="server"/>
      </ItemTemplate>
</asp:TemplateField> //删除选中项
 for (int i = 0; i < Gridview1.Rows.Count; i++)
 {
      CheckBox _cb = (CheckBox)Gridview1.Rows[i].FindControl("cb");
      if (_cb.Checked)
      {
             int _no = int.Parse(Gridview1.DataKeys[i].Value.ToString());
             //执行删除
      }    
  }    //全选/反选
    protected void SelectAll(object sender, EventArgs e)
    {
        bool isChecked = ((CheckBox)(Gridview1.HeaderRow.Cells[0].FindControl("chkAll"))).Checked;
        foreach (GridViewRow gvRow in Gridview1.Rows)
        {
            ((CheckBox)(Gridview1.Cells[0].FindControl("cb"))).Checked = isChecked;
        }
    }

Answer 4

上上楼 我是radiobutton 而不是checkbox

Answer 5

foreach (GridViewRow gr in this.Gridview1.Rows)   
  {   
  if (((RadioButton)gr.FindControl("RadioButton1")).Checked)   
  {
 sqlConnection con = new SqlConnection("server=local;database=Northwind;uid=sa;pwd=123");
        con.Open();
        string deleteid = GridView1.DataKeys[e.RowIndex].Value.ToString();
        string cmdtext = "delete from orders where orderid='" + deleteid + "'";
        SqlCommand cmd = new SqlCommand(cmdtext, con);
        try
        {
            cmd.ExecuteNonQuery();
            Response.Write("<script>alert('删除成功');</script>");
        }
        catch
        {
            return;
        }
        banddelete();
        con.Close();
 }  
  }