//document.getElementById("ctl00_ContentPlace_lnkTest").click();Execute linkbutton
aspx:
<table>
<tr><td id="tdGridData">
<asp:GridView ID="gvData" runat="server">
</asp:GridView>
</td></tr>
</table>
function RefreshData()
{
var strPara = "...";//User $ split multiParameters
callToServer(strPara,"MarkOne");
}
function ReceiveServerData(result, content)
{
if( content == "MarkOne")
{
if (result!="")
{
var tdGridData = document.getElementById("tdGridData");
tdGridData.innerHTML = result;
}
else
{
alert("No data to show.");
}
}
}
CS:
public partial class frmDemo : System.Web.UI.Page, ICallbackEventHandler
{
public string returnString="";
protected void Page_Load(object sender, EventArgs e)
{
RegEventEntry();
if (!IsPostBack)
{
DataTable dt = InitialFromDB();
gvData.DataSource = dt;
gvData.DataBind();
}
}
protected void RegEventEntry()
{
if (Page.ClientScript.IsClientScriptBlockRegistered("callToServer") == false)
{
String cbReference =
Page.ClientScript.GetCallbackEventReference(this, "arg", "ReceiveServerData", "context", true);
String callbackScript;
callbackScript = "function callToServer(arg, context)" +
"{ " + cbReference + "} ;";
Page.ClientScript.RegisterClientScriptBlock(this.GetType(),
"callToServer", callbackScript, true);
}
}
string ICallbackEventHandler.GetCallbackResult()
{
return returnString;
}
void ICallbackEventHandler.RaiseCallbackEvent(string eventArgument)
{
if (eventArgument.Trim().Equals("") == false)
{
string[] strArgs = eventArgument.Split('$');
DataTable dt = getDataFromDB();
gvData.DataSource = dt;
gvData.DataBind();
HtmlTextWriter htw = new HtmlTextWriter(new StringWriter());
gvData.RenderControl(htw);
htw.Flush();
htw.Close();
returnString = htw.InnerWriter.ToString();
}
else
{
returnString = "";
}
}
}