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The data source 'ObjectDataSource1' does not support sorting with IEnumerable data

This is a discussion on The data source 'ObjectDataSource1' does not support sorting with IEnumerable data within the .Net Development forums, part of the Programming & Scripting category; my gridview sort order won't work... and i don't understand the error, what is "IEnumerable data"? Code: The data source ...

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The data source 'ObjectDataSource1' does not support sorting with IEnumerable data The data source 'ObjectDataSource1' does not support sorting with IEnumerable data

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  #1  
Old June 23rd, 2008, 10:31 AM
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Default The data source 'ObjectDataSource1' does not support sorting with IEnumerable data
my gridview sort order won't work...
and i don't understand the error, what is "IEnumerable data"?

Code:
 The data source 'ObjectDataSource1' does not support sorting with IEnumerable data. Automatic sorting is only supported with DataView, DataTable, and DataSet.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NotSupportedException: The data source 'ObjectDataSource1' does not support sorting with IEnumerable data. Automatic sorting is only supported with DataView, DataTable, and DataSet.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[NotSupportedException: The data source 'ObjectDataSource1' does not support sorting with IEnumerable data. Automatic sorting is only supported with DataView, DataTable, and DataSet.]
   System.Web.UI.WebControls.ObjectDataSourceView.CreateEnumerableData(Object dataObject, DataSourceSelectArguments arguments) +1337183
   System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +2822
   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +17
   System.Web.UI.WebControls.DataBoundControl.PerformSelect() +149
   System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +70
   System.Web.UI.WebControls.GridView.DataBind() +4
   System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +82
   System.Web.UI.WebControls.GridView.OnPreRender(EventArgs e) +24
   System.Web.UI.Control.PreRenderRecursiveInternal() +86
   System.Web.UI.Control.PreRenderRecursiveInternal() +170
   System.Web.UI.Control.PreRenderRecursiveInternal() +170
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2041
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Old June 23rd, 2008, 10:47 AM
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You're using a ListOf your class so you need to create a custom function for handling sorting in GridView.

Here's an example on how to do it: http://www.codeproject.com/useritems...DataSource.asp
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Old June 23rd, 2008, 10:57 AM
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Quote:
Originally Posted by jmurrayhead View Post
You're using a ListOf your class so you need to create a custom function for handling sorting in GridView.

Here's an example on how to do it: http://www.codeproject.com/useritems...DataSource.asp
ugh, i've seen that link so many times I still can't make heads or tales on this

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Old June 23rd, 2008, 11:01 AM
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Originally Posted by Shem View Post
ugh, i've seen that link so many times I still can't make heads or tales on this

Shem
Did you download the VB example? I have implemented the same thing. It's not as difficult as it looks. Just try it out and post any problems you have along the way.
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Old June 25th, 2008, 03:54 AM
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another question, can i add more functionality IE links, buttons to
the gridview, or is it better to use the repeater control?
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Old June 25th, 2008, 08:07 AM
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Quote:
Originally Posted by Shem View Post
another question, can i add more functionality IE links, buttons to
the gridview, or is it better to use the repeater control?
Yes, the GridView has a TemplateField column type that you can use to put whatever you want. See here: TemplateField Class (System.Web.UI.WebControls)
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