[Solved] Post back errors in my project

[shanker bangari]

Hi,

this is shanker am doing one project using telerik controls my requirement is in rad combo box selectedindex change event populate the details in Radgridveiw .But in edit event it,s didnot open the edit columns am face postabak error my code is 

 if (!IsPostBack)

            {

                Facility.DataSource = studentremarks.org_view_facility_lookup();

                Facility.DataBind();

                

            }

        }

        public void getdata()

        {

            grdstudentremarks.DataSource = studentremarks.sch_view_sch_student_remark_list(RadcomFiscalyear.SelectedValue.GetInteger(), Radcomclass.SelectedValue.GetInteger());

            grdstudentremarks.DataBind();

        }

        protected void Facility_SelectedIndexChanged(object o, RadComboBoxSelectedIndexChangedEventArgs e)

        {

            RadcomFiscalyear.DataSource = Feeschedulemanager.sch_view_fiscal_year_lookup(Facility.SelectedValue.GetInteger());

            RadcomFiscalyear.DataBind();

            Radcomclass.DataSource = studentremarks.sch_view_class_lookup(Facility.SelectedValue.GetInteger());

            Radcomclass.DataBind();

        }

   protected void grdstudentremarks_PreRender(object sender, EventArgs e)

        {

            if (!Page.IsPostBack)

            {

                GridColumn editColumn = grdstudentremarks.MasterTableView.GetColumn("EditCommandColumn");

                if (editColumn != null) { editColumn.Visible = CanUpdate; }

                GridColumn deleteColumn = grdstudentremarks.MasterTableView.GetColumn("DeleteCommandColumn");

                if (deleteColumn != null) { deleteColumn.Visible = CanDelete; }

                if (!CanInsert)

                {

                    HideInsertCol(grdstudentremarks);

                }

                getdata();

            }

        }

please it's argent

[Pavlina]

Hi Shanker,

I suggest you examine the following online example, which elaborates on this subject and let me know if it works for you:
Grid Filtered by Combo

Kind regards, Pavlina

the Telerik team
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