> Why a TemplateField cannot be a AutoGeneratedField when we have an inherited
> GridView class?

On 23 May, 11:24, "Bora" <bora...@hotmail.com> wrote:
> Why a TemplateField cannot be a AutoGeneratedField when we have an inherited
> GridView class?
>
> What is the difference between
> System.Collections.ICollection CreateColumns(PagedDataSource dataSource,
> bool useDataSource)
> and
> AutoGeneratedField CreateAutoGeneratedColumn(AutoGeneratedFieldProperties
> fieldProperties)
> ?
>
> Regards,
> Bora Inceler

<CaffieneRush@gmail.com> wrote in message
news:1180455657.236969.112870@p47g2000hsd.googlegroups.com...
>> Why a TemplateField cannot be a AutoGeneratedField when we have an
>> inherited
>> GridView class?
>
> It's because AutoGeneratedField is a final class that inherits from
> BoundField which inherits DataControlField and TemplateField inherits
> DataControlField.
>
> The CreateColumns method is used to create the automatically generated
> column fields. Never used this method myself but see Dino Esposito's
> article for an example on using CreateColumns() -
> http://msdn.microsoft.com/msdnmag/issues/06/05/cuttingedge/default.aspx
>
> The CreateAutoGeneratedColumn method creates one instance of a
> AutoGeneratedField.
> Say you wanted to autogenerate the fields for a gridview but only
> enable sorting on 1 known field called "Supplier" then you'll probably
> do something like:
>
> Imports System.Web.UI.WebControls
>
> Namespace SampleControls
> Public Class CustomGridView
> Inherits GridView
>
> Protected Overrides Function CreateAutoGeneratedColumn(ByVal
> fieldProperties As
> System.Web.UI.WebControls.AutoGeneratedFieldProperties) As
> System.Web.UI.WebControls.AutoGeneratedField
>
> Dim field As AutoGeneratedField =
> MyBase.CreateAutoGeneratedColumn(fieldProperties)
>
> 'Turn off sorting on non-Supplier columns and leave
> sorting only on the Supplier column
> If field.HeaderText <> "Supplier" Then
> field.SortExpression = ""
> End If
>
> Return field
> End Function
>
> End Class
> End Namespace
>
> Andy
>
> On 23 May, 11:24, "Bora" <bora...@hotmail.com> wrote:
>> Why a TemplateField cannot be a AutoGeneratedField when we have an
>> inherited
>> GridView class?
>>
>> What is the difference between
>> System.Collections.ICollection CreateColumns(PagedDataSource dataSource,
>> bool useDataSource)
>> and
>> AutoGeneratedField CreateAutoGeneratedColumn(AutoGeneratedFieldProperties
>> fieldProperties)
>> ?
>>
>> Regards,
>> Bora Inceler
>
>