aspxgridview全选和选择返回选择行的主键

protected void Button1_Click(object sender, EventArgs e)
        {
            List<object> values = ASPxGridView1.GetSelectedFieldValues(new string[] { ASPxGridView1.KeyFieldName });
            string data = "alert('Selected row key values:";
            for (int i = 0; i < values.Count; i++)
                data += @"\n" + values[i].ToString();
            data += "')";
            ClientScript.RegisterClientScriptBlock(typeof(Page), "test", data, true);
        }

 

 

 前台：

<dxwgv:GridViewCommandColumn ShowSelectCheckbox="True" VisibleIndex="0">
                <HeaderTemplate>
                    <input type="checkbox" onclick="ASPxGridView1.SelectAllRowsOnPage(this.checked);" style="vertical-align:middle;" title="Select/Unselect all rows on the page"></input>
                </HeaderTemplate>
                <HeaderStyle Paddings-PaddingTop="1" Paddings-PaddingBottom="1" 
                    HorizontalAlign="Center">
<Paddings PaddingTop="1px" PaddingBottom="1px"></Paddings>
                </HeaderStyle>
            </dxwgv:GridViewCommandColumn>