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How to remove "X" button from lookup field on the grid
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vkuzmich View Drop Down
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Joined: 29-May-2008
Posts: 4 		Post Options Post Options   Quote vkuzmich Quote  Post ReplyReply Direct Link To This Post Topic: How to remove "X" button from lookup field on the grid
    Posted: 29-May-2008 at 7:48am
Hi,
 
I am using DevExpress GridControl and IdeaBlade XtraGridBindingManager.  And I am getting "X" button on lookup columns. Please see picture. I put there an example from IdeaBlade documentation and screenshot from my app.
 
Thanks for your help.
 
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davidklitzke View Drop Down
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Posts: 715 		Post Options Post Options   Quote davidklitzke Quote  Post ReplyReply Direct Link To This Post Posted: 29-May-2008 at 10:45am

 There is a property on the LookupEdit called “AllowNullInput” which if set to “False” is supposed to prevent entering  null input, but it doesn’t seem to work.  Looking further, I see other posts on the Devex Forums from others who also claim that the “AllowNullIInput” property does not work,

 
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vkuzmich View Drop Down
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Posts: 4 		Post Options Post Options   Quote vkuzmich Quote  Post ReplyReply Direct Link To This Post Posted: 29-May-2008 at 11:23am
Thank you. It is good to know.
 
When you have IdeaBlade XtraGridBindingManager for your grid and have LookUp (inside of XtraGridBindingManager ) there for one of the fields, you don't see this property "AllowNullInput".
 
 
Maybe I can access somehow this property in run-time? I have tried, but did not succeed.
 
 
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davidklitzke View Drop Down
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Posts: 715 		Post Options Post Options   Quote davidklitzke Quote  Post ReplyReply Direct Link To This Post Posted: 29-May-2008 at 11:33am
VK,
 
The property is there.  it just doesn't work.  You have to look at the lookupedit.properties.
 
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vkuzmich View Drop Down
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Posts: 4 		Post Options Post Options   Quote vkuzmich Quote  Post ReplyReply Direct Link To This Post Posted: 29-May-2008 at 11:46am

I think we are really talking about different things. Please take a look at this screen shot.

uploads/temp/20080529_144447_X_Button2.rar

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davidklitzke View Drop Down
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Posts: 715 		Post Options Post Options   Quote davidklitzke Quote  Post ReplyReply Direct Link To This Post Posted: 31-May-2008 at 9:38am
A DevForce customer told me that he had obtained this from DevExpress support team:
 

To hide the LookUpEdit popup footer (which holds the close button), set the LookUpEdit.Properties.ShowFooter property to False.
To hide only the Close button, create a custom editor inherited from the LookUpEdit. Override the LookUpEdit.CreatePopupForm method to return a custom PopupLookUpEditForm descendant. Override the PopupLookUpEditForm.SetupButtons method, and after the base method call, set the fCloseButtonStyle property to BlobCloseButtonStyle.None.

[C#]

    public class MyLookUpEdit : LookUpEdit
    {
        //...

        protected override PopupBaseForm CreatePopupForm()
        {
            return new MyPopupLookUpEditForm(this);
        }
    }

    public class MyPopupLookUpEditForm : PopupLookUpEditForm
    {
        //...

        protected override void SetupButtons()
        {
            base.SetupButtons();
            this.fCloseButtonStyle = BlobCloseButtonStyle.None;
        }
    }

We suggest that you refer to the Custom Editors help topic.

Please let us know if this makes sense.
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erturkcevik View Drop Down
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Posts: 40 		Post Options Post Options   Quote erturkcevik Quote  Post ReplyReply Direct Link To This Post Posted: 31-May-2008 at 11:21am
This isue solulation as the following :
 

'X' button = assign null value button in the Loookupeditor Display with DrowDown button alongside

 
- First Devforce may be adding feature enable or disable for 'X' button in the DevExpress Lookupedit of ListConverter
 
- Second Adding custom databinder with "LookupEditDataBinder"  file (provided for Devforce)
 
As far as I see, you should comment out the following lines in the LookupEditDataBinder :

[C#]

      if ((listConverter.Editability == Editability.Optional) && !ContainsDeleteButton(properties.Buttons)) {
          properties.Buttons.Insert(0, new EditorButton(ButtonPredefines.Delete));
          properties.ActionButtonIndex = 1;
          properties.ButtonPressed += new ButtonPressedEventHandler(ButtonPressedHandler);
        }

Alternatively, set the (ViewDescriptor.DataConverter as ListConverter).Editability property to a value other than Editability.Optional.

 
Best Regards
 
 
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vkuzmich View Drop Down
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Posts: 4 		Post Options Post Options   Quote vkuzmich Quote  Post ReplyReply Direct Link To This Post Posted: 02-Jun-2008 at 10:57am
Thank you erturkcevik.
 
This code worked for me:
 




DevExpress.XtraEditors.Repository.RepositoryItemLookUpEdit lookup = (DevExpress.XtraEditors.Repository.RepositoryItemLookUpEdit)colShowIAB.RealColumnEdit;


foreach (DevExpress.XtraEditors.Controls.EditorButton button in lookup.Buttons)


{


    if (button.Kind == ButtonPredefines.Delete)


    {


        button.Visible = false;


    }


}
 
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