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Combobox cell problem

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12146 Mar 23,2004 10:53 AM UTC Mar 25,2004 05:59 AM UTC WinForms 7
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Tags: GridControl
David Loomes
Asked On March 23, 2004 10:53 AM UTC

Hi, I''ve been having a problem with a grid containing a column of combobox cells where I cannot select some of the items in the drop down list. For example I am using the cell to select an arithmetic operator (=, <>, <, <= etc) and for some reason it is impossible to select the ''<'' option even though it appears correctly in the drop down. The problem appears when the list is populated manually or from a DataTable in a data bound control. Any Ideas? David Loomes

Administrator [Syncfusion]
Replied On March 23, 2004 12:21 PM UTC

There were problems of this nature in 1.6.1.8 and earlier versions. Have you tried this in 2.0.3.0?

Samuel Jack
Replied On March 23, 2004 01:20 PM UTC

I''ve been having a similar problem and I am working with the latest release of the Grid.

Administrator [Syncfusion]
Replied On March 23, 2004 01:29 PM UTC

Can you post a small sample project so we can see the problem here?

David Loomes
Replied On March 24, 2004 04:35 PM UTC

>Can you post a small sample project so we can see the problem here? Clay, the problem seems to involve use of the Exclusive dropdown style. The following code produces the problem // build the set of allowed operators StringCollection OperatorChoices = new StringCollection(); OperatorChoices.AddRange(new string[] {"", "=", "<>", ">", ">=", "<", "<=", "Like", "IsNull", "IsNotNull"}); GridStyleInfo Style = grid.ColStyles[1]; Style.CellType = "ComboBox"; Style.CellTipText = "Operator"; Style.DropDownStyle = GridDropDownStyle.Exclusive; Style.CellValueType = typeof(string); Style.ChoiceList = OperatorChoices; You should find it impossible to select "<". Comment out the line that sets the DropDownStyle, and everything works fine. David Loomes

Administrator [Syncfusion]
Replied On March 24, 2004 07:55 PM UTC

I tried your code in this project with both 1.6.1.8 and 2.0.3.0, and was able to select the <. Do you see the problem in the sample? What version are you using?

David Loomes
Replied On March 25, 2004 05:27 AM UTC

Clay, The sample project you sent shows the problem on my system - I cannot select or type ''<''. The release notes with my installation describes itself as version 1.6.1.0. Is this the correct place to look? How can I get 1.6.1.8? David Loomes

Administrator [Syncfusion]
Replied On March 25, 2004 05:59 AM UTC

Yes, 1.6.1.0 did have this problem. You can download 1.6.18 from your Direct Trac home page.

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