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[Solved] ReadOnlyAttribute and GridEditMode.InForm

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answered on 18 Aug 2010, 07:10 AM

Hi Timo,

This is by design.

In in-line mode Telerik Grid for ASP.NET MVC is creating an editor for each column. As a result only the properties which are displayed as columns are editable. The ReadOnly attribute is applicable there.

In in-forms or pop-up mode Telerik Grid for ASP.NET MVC is creating an editor for the bound object (using Html.EditorFor<T>). As a result all editable properties of the bound object are displayed in the edit form. This behavior differs from in-line mode where only the bound properties (properties for which a column is defined) are editable. To hide properties from the grid edit form use the ScaffoldColumnAttribute:

public class Product
{
[ScaffoldColumn(false)]
public int ProductID
{
get;
set;
}
}

Regards,
Atanas Korchev
the Telerik team

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answered on 18 Aug 2010, 07:41 AM

Hi timo,

I had the same requirement; i had LastModifiedDateTime column in my table, which i want readonly..

Model:

<DisplayName("ModifiedDateTime"

)>

<DisplayFormat(ApplyFormatInEditMode:=

True, HtmlEncode:=True

)>

<UIHint(

"ModifiedDateTime"

)>

Public Property modifieddatetime As DateTime

Component:

<%@ Control Language="VB" Inherits="System.Web.Mvc.ViewUserControl(Of System.DateTime?)" %><br> <%= Html.TextBox("", Now(), New Dictionary(Of String, Object) From {{"readonly", "readonly"}})%>

After this it always shows current date time in readonly mode in both display and edit mode. You may modified it as per your requirement.

this may help ..

Regards.

answered on 18 Aug 2010, 08:03 AM

Hello Timo,

To the best of my knowledge it is not possible to make a property readonly when using Html.EditorFor. There is the [ReadOnly(true)] attribute but it does not seem to work with Html.EditorFor. I guess the only option is to create an EditorTemplate as Jigar suggested.

Regards,
Atanas Korchev
the Telerik team