I have the followig RadGrid
<
telerik:RadGrid
ID
=
"RadGrid1"
OnInit
=
"RadGrid1_Init"
runat
=
"server"
AllowPaging
=
"True"
AutoGenerateColumns
=
"False"
OnNeedDataSource
=
"RadGrid1_NeedDataSource"
PageSize
=
"30"
OnItemDataBound
=
"RadGrid1_ItemDataBound"
AllowMultiRowEdit
=
"True"
RenderMode
=
"Lightweight"
OnPreRender
=
"RadGrid1_PreRender"
CssClass
=
"RadGrid_ModernBrowsers"
OnBatchEditCommand
=
"RadGrid1_BatchEditCommand"
HorizontalAlign
=
"Center"
Height
=
"740px"
OnItemCreated
=
"RadGrid1_ItemCreated"
Skin
=
"Simple"
OnColumnCreating
=
"RadGrid1_ColumnCreating"
AllowFilteringByColumn
=
"True"
OnItemCommand
=
"RadGrid1_ItemCommand"
AllowSorting
=
"True"
OnBiffExporting
=
"RadGrid1_BiffExporting"
>
<
GroupingSettings
CollapseAllTooltip
=
"Collapse all groups"
CaseSensitive
=
"false"
></
GroupingSettings
>
<
MasterTableView
CommandItemDisplay
=
"Bottom"
CommandItemStyle-Font-Size
=
"10"
DataKeyNames
=
"ID_Trafo_2D"
EditMode
=
"Batch"
BatchEditingSettings-EditType
=
"Row"
Font-Names
=
"Calibri"
Font-Size
=
"8"
TableLayout
=
"Fixed"
>
<
ColumnGroups
>
<...>
</
ColumnGroups
>
<
CommandItemSettings
ShowCancelChangesButton
=
"True"
ShowSaveChangesButton
=
"True"
/>
<
Columns
>
<
telerik:GridBoundColumn
DataField
=
"ID_Trafo_2D"
FilterControlAltText
=
"Filter column column"
HeaderText
=
"Trafo 2D ID"
UniqueName
=
"column"
ReadOnly
=
"True"
ColumnGroupName
=
"InformacionBasica"
HeaderStyle-Font-Size
=
"10"
FilterControlWidth
=
"70%"
>
<
HeaderStyle
Font-Size
=
"10pt"
Wrap
=
"False"
Width
=
"80px"
HorizontalAlign
=
"Center"
BackColor
=
"#CCCCCC"
></
HeaderStyle
>
<
ItemStyle
Wrap
=
"True"
HorizontalAlign
=
"Center"
/>
</
telerik:GridBoundColumn
>
<
telerik:GridTemplateColumn
HeaderText
=
"Conexion1 ID"
FilterControlAltText
=
"Filter TemplateColumn1 column"
UniqueName
=
"ID_T2D_Conexion1"
DataField
=
"NombreConexion"
ColumnGroupName
=
"Caracteristicas"
HeaderStyle-Font-Size
=
"10"
AutoPostBackOnFilter
=
"false"
ShowFilterIcon
=
"true"
>
<
EditItemTemplate
>
<
telerik:RadButton
ID
=
"RadButton1"
runat
=
"server"
OnClientClicked
=
"openRadWindowConexion1"
Width
=
"120%"
AutoPostBack
=
"False"
Text
=
'Editar Conexión'
>
<
Icon
PrimaryIconUrl
=
"~/Resources/EditIcon18x18.png"
PrimaryIconTop
=
"2px"
PrimaryIconLeft
=
"2px"
PrimaryIconWidth
=
"18px"
PrimaryIconHeight
=
"18px"
/>
</
telerik:RadButton
>
</
EditItemTemplate
>
<
ItemTemplate
>
<%# Eval("NombreConexion")%>
</
ItemTemplate
>
<
HeaderStyle
BackColor
=
"#DDEBF7"
/>
<
ItemStyle
Wrap
=
"False"
/>
</
telerik:GridTemplateColumn
>
<
telerik:GridBoundColumn
FilterControlAltText
=
"Filter column4 column"
HeaderText
=
"Nombre"
FilterControlWidth
=
"70%"
UniqueName
=
"column4"
DataField
=
"Trafo2DNombre"
ColumnGroupName
=
"DescripcionTransformadores2D"
HeaderStyle-Font-Size
=
"10"
AutoPostBackOnFilter
=
"false"
ShowFilterIcon
=
"true"
>
<
ColumnValidationSettings
EnableRequiredFieldValidation
=
"True"
>
<
RequiredFieldValidator
ForeColor
=
"#FF3300"
ToolTip
=
"Campo Obligatorio"
>(*)</
RequiredFieldValidator
>
</
ColumnValidationSettings
>
<
HeaderStyle
Font-Size
=
"10pt"
BackColor
=
"#E8FFEA"
></
HeaderStyle
>
<
ItemStyle
Wrap
=
"False"
/>
</
telerik:GridBoundColumn
>
</
Columns
>
<
BatchEditingSettings
EditType
=
"Row"
></
BatchEditingSettings
>
<
CommandItemStyle
Font-Size
=
"10pt"
></
CommandItemStyle
>
</
MasterTableView
>
<
ClientSettings
>
<
Scrolling
AllowScroll
=
"True"
UseStaticHeaders
=
"True"
/>
<
Resizing
AllowColumnResize
=
"true"
ResizeGridOnColumnResize
=
"true"
AllowResizeToFit
=
"true"
/>
<
ClientEvents
OnBatchEditOpening
=
"OnBatchEditOpening"
/>
</
ClientSettings
>
<
PagerStyle
PageSizes
=
"15;30;90;150;300"
Position
=
"Bottom"
/>
<
FilterMenu
RenderMode
=
"Lightweight"
></
FilterMenu
>
<
HeaderContextMenu
RenderMode
=
"Lightweight"
></
HeaderContextMenu
>
</
telerik:RadGrid
>
When a user wants to add a new row, he has to select a name ("Nombre") and a connection ("Conexion") from a window that pops up and assigns the selected connection to the selected cell. I can validate the name using the built-in validator for BoundColumns, however, I haven't found a way to validate the Eval("NombreConexion") that is on the ItemTemplate of the GridTemplateColumn so that it is not an empty value (some users forget to assign a connection).
Is there any way of doing this? I can't use a FieldValidator because the Eval field is not a control and if I try to transform it into a radlabel I just get errors.
Thank you.