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Programatically creating a MVC grid

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Rahul Agashe
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Rahul Agashe asked on 30 Dec 2009, 07:21 AM
Hi,

I want to create a grid programatically in ASP.Net MVC, depending on the model and its values.

I looked through the samples, but could not see the one.

Can some one know me whether is it possible and if yes how?

Thanks,

Rahul Agashe

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Georgi Krustev
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answered on 30 Dec 2009, 11:11 PM
Hi Rahul,

In order to achieve your goal you will need to use auto generated columns. Please review this online demo for more information.

Sincerely yours,
Georgi Krustev
the Telerik team

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Rahul Agashe
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answered on 31 Dec 2009, 07:35 AM
No what I mean by creating a Grid programatically, is that all the details about the columns such as header, sortable etc are provided by the Model it self and I would like to add columns as below,

.Columns(columns =>

{

 

foreach (TelerikEvaluation.Customer lstRows in Model.Records)

 

{

 

int RowCount = 0;

 

columns.Add(c => c.EmpId).Title(lstRows.EmpId.ToString()).Filterable(

false).Sortable(false);

 

columns.Add(c => c.FirstName).Filterable(

false).Sortable(false);

 

RowCount++;

 

break;

 

}

})

Something like a wrapper over Telerik grid, which will accept a generic Type Model and render a grid as per the model.

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Atanas Korchev
Telerik team
answered on 31 Dec 2009, 10:34 AM
Hello Rahul Agashe,

I think that this is possible right now. Are you experiencing any difficulties creating columns programmatically?

Greetings,
Atanas Korchev
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Rahul Agashe
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answered on 31 Dec 2009, 11:45 AM

 

I am trying to add columns using below code,

foreach
(TelerikEvaluation.MetaDataInfo MetaDataRow in Model.MetaDataData)

 

{

columns.Add(c => c.GetType().GetProperty(MetaDataRow.PropertyName).GetValue(c,

null)).Title(MetaDataRow.PropertyHeader);

 

}

The problem is that Grid is displaying the Headers correctly, but the Rows render displayes data only from the Last Column in the For loop.

If I write Code to add multiple columns as below, grid is displaying records correctly,

columns.Add(c => c.EmpId);

 

 

 

columns.Add(c => c.FirstName);

 

 

 

columns.Add(c => c.LastName);

 

 

 

columns.Add(c => c.BirthDate);

 

 

 

Please see attached screen shot for clerification. Is it a bug or I need to change some of my code?

0
Atanas Korchev
Telerik team
answered on 31 Dec 2009, 04:20 PM
Hi Rahul Agashe,

Unfortunately the grid does not support the following syntax for defining the column binding:

columns.Add(c => c.GetType().GetProperty(MetaDataRow.PropertyName).GetValue(c,

null))


While it is valid C# and may work on initial binding it would fail if you try to sort or page. The reason is that the MVC grid understand only simple C# expressions - only member access.

Regards,
Atanas Korchev
the Telerik team

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Emmanuel Morales
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answered on 30 Mar 2010, 05:23 PM
I see this was posted a few months back. Is this still an issue? Is there a way to create the columns dynamically now?
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Rahul Agashe
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Georgi Krustev
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Rahul Agashe
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Atanas Korchev
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Emmanuel Morales
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