Hello,

I have one Editable intersoft webgrid on my ASPX page, as per the client requirement i want to add few columns to it dynamically in specific conditions. I have done the coding for the same but it is not showing me those dynamic columns initially when grid is get load first time but when i refresh the grid manually then it is showing me the data and those columns correclty. plz suggest me the exact problem bellow is the code.

ASPX page
<ISWebGrid:WebGrid ID="wgBaseRates" runat="server" Height="280px" Width="970px" OnInitializeDataSource="wgBaseRates_InitializeDataSource"
                    OnInitializeLayout="wgBaseRates_InitializeLayout" OnUpdateRow="wgBaseRates_OnUpdateRow" OnInitializeRow="wgBaseRates_InitializeRow">
                    <LayoutSettings AllowEdit="Yes" AllowColumnSizing="Yes" AllowColumnMove="No" AllowExport="Yes"
                        AllowSorting="Yes" PersistRowChecker="true" RowHeightDefault="-1px" EditOnClick="true">
                        <ClientSideEvents OnRowValidate="wgBaseRates_OnRowValidate" OnCheckBoxClick="SelectHeaderCheckbox" 
                        OnBeforeRequest="onUpdating()"  OnAfterResponseProcess="onUpdated();"/>
                        <StatusBarCommandStyle>
                            <Active CssClass="ActiveStatusBarCommandStyle" BaseStyle="Over">
                            </Active>
                            <Over CssClass="OverStatusBarCommandStyle">
                            </Over>
                            <Normal CssClass="NormalStatusBarCommandStyle">
                            </Normal>
                        </StatusBarCommandStyle>
                        <HeaderStyle CssClass="HeaderStyle" Height="35px" />
                        <FilterRowStyle CssClass="HeaderStyle" Height="20px">
                        </FilterRowStyle>
                        <CheckedRowStyle BackColor="Aqua" CustomRules="HorizontalAlign:auto">
                        </CheckedRowStyle>
                        <LostFocusRowStyle CssClass="SelectedRowStyle" />
                        <FocusCellStyle CssClass="FocusCellStyle" />
                        <SelectedRowStyle CssClass="SelectedRowStyle" />
                        <StatusBarStyle CssClass="StatusBarStyle">
                        </StatusBarStyle>
                        <AlternatingRowStyle CssClass="AlternatingRowStyle" CustomRules="HorizontalAlign:auto" />
                        <RowStyle CssClass="RowStyle" CustomRules="HorizontalAlign:auto" />
                        <FrameStyle CssClass="FrameStyle">
                        </FrameStyle>
                        <NewRowStyle CssClass="NewRowStyle">
                        </NewRowStyle>
                        <EditFocusCellStyle CssClass="EditFocusCellStyle">
                        </EditFocusCellStyle>
                        <GroupRowInfoStyle CssClass="GroupRowInfoStyle">
                        </GroupRowInfoStyle>
                        <GroupByBox>
                            <LabelStyle CssClass="GroupByBoxLabelStyle" />
                            <Style CssClass="GroupByBoxStyle">
                                </Style>
                        </GroupByBox>
                    </LayoutSettings>
                </ISWebGrid:WebGrid>
ASPX.CS
//Calling Bellow Method in Page load
 public void LoadColumns()
        {
            //Declaring and assigning properties for grid
            WebGridColumn _RowChecker = new WebGridColumn("Column1", "Column1", "Cilumn 1", Unit.Pixel(25), ColumnType.CheckBox, EditType.NoEdit, "");
            WebGridColumn _BRDID = new WebGridColumn("Cilumn2", "Column2", "ID", Unit.Pixel(0), ColumnType.Text, EditType.NoEdit, "");
            
            //WebGridColumn _HrType = new WebGridColumn(GEO_CFT_BS_RT_DETAIL_V_Domain.HR_TYPE_DESCFriendlyName, GEO_CFT_BS_RT_DETAIL_V_Domain.HR_TYPE_DESCFriendlyName, "Hr. Type", Unit.Pixel(90), ColumnType.Text, EditType.NoEdit, "");
            
            WebGridColumn _BaseRate = new WebGridColumn("Rate","Rate", "Base Rate", Unit.Pixel(50), ColumnType.Text, EditType.TextBox, "0.00");
            WebGridColumn _FringeRate = new WebGridColumn("FRate","FRate","Fringe", Unit.Pixel(50), ColumnType.Text, EditType.TextBox, "0.00");
            WebGridColumn _OTBaseRate = new WebGridColumn("OTBaseRate", "OTBaseRate", "OT Base Rate", Unit.Pixel(90), ColumnType.Text, EditType.TextBox, "0.00");
            WebGridColumn _OTFringeRate = new WebGridColumn("OTFringeRate", "OTFringeRate", "OT Fringe Rate", Unit.Pixel(90), ColumnType.Text, EditType.TextBox, "0.00");
          
            //Assigning additional properties to base rate details grid columns
            _RowChecker.IsRowChecker = true;
            _RowChecker.IsRowHeader = true;
           
            _BaseRate.InputRequired = true;
            _BaseRate.InputRequiredErrorText = "Please enter base rate";
            _FringeRate.InputRequired = true;
            _BaseRate.InputRequiredErrorText = "Please enter fringe";
            _BaseRate.TextboxMaxlength = 6;
            _FringeRate.TextboxMaxlength = 6;
            _OTBaseRate.TextboxMaxlength = 6;
            _OTFringeRate.TextboxMaxlength = 6;
            

            //Adding columns to base rate details grid
            wgBaseRates.RootTable.Columns.Add(_RowChecker);
            //wgBaseRates.RootTable.Columns.Add(_HrType);
            wgBaseRates.RootTable.Columns.Add(_BaseRate);
            wgBaseRates.RootTable.Columns.Add(_FringeRate);
            if (Session["OTDT"] != null)
            {
                wgBaseRates.RootTable.Columns.Add(_OTBaseRate);
                wgBaseRates.RootTable.Columns.Add(_OTFringeRate);
               
            }
  
            wgBaseRates.RootTable.Columns.Add(_BRDID);
           
        }
 protected void wgBaseRates_InitializeDataSource(object sender, DataSourceEventArgs e)
{
       //Populating datatable and assigning to datasource.
       e.DataSource = CreateNewDatatable(_Dtcopy);
}