I have a gridview inside an updatepanel ,on first click the page index is changing but later clicks the page indexes are not changing. but the events are triggering when click. this is how i bind data.
protected void gvPurchaseDetails_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
gvPurchaseDetails.PageIndex = e.NewPageIndex;
DetailsGridBind();
}
public void DetailsGridBind()
{
DataSet dsInvoice = ObjDetail.GetPurchaseDetails();
DataTable dtInvoice = dsInvoice.Tables[0];
gvPurchaseDetails.DataSource = dtInvoice;
gvPurchaseDetails.DataBind();
}