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DataGridBoolColumn Messages   Related Types This message was discovered on microsoft.public.dotnet.languages.csharp. Responses highlighted in red are from those people who are likely to be able to contribute good, authoratitive information to this discussion. They include Microsoft employees, MVP's and others who IMHO contribute well to these kinds of discussions. Post a new message to this list... Ubi (VIP) Hi, my code is: myDataTBL.Columns.Add("checked",System.Type.GetType("System.Boolean")); DataGridBoolColumn cs1 = new DataGridBoolColumn(); cs1.NullValue=false; cs1.TrueValue=true; cs1.FalseValue=false; cs1.MappingName="checked"; cs1.ReadOnly=false; dataGrid1.TableStyles[0].GridColumnStyles.Add(cs1); what i get is always a gray checkbox. When i click it, it becomes checked, and another click turns it into grey, and then unchecked act... I want: a. default value is uncheked b. only to states - checked/unchecked (no gray) what should i do... please help.. Reply to this message...        Nicholas Paldino [.NET/C# MVP] (VIP) Ubi, First, you should change the following line: myDataTBL.Columns.Add("checked",System.Type.GetType("System.Boolean")); To: myDataTBL.Columns.Add("checked", typeof(bool)); Then, on the DataGridBoolColumn that you create (cs), set the AllowNull property to false. Hope this helps. -- - Nicholas Paldino [.NET/C# MVP] - Click here to reveal e-mail address "Ubi" <Click here to reveal e-mail address> wrote in message news:Click here to reveal e-mail address... [Original message clipped] Reply to this message...        Ubi (VIP) This is working, except the starting value is grey. after i click it the first time i don't get gray check anymore... but how can i change the starting value to unchecked? "Nicholas Paldino [.NET/C# MVP]" wrote: [Original message clipped] Reply to this message...        Jack Addington You have to set the value to false. Basically True = checked, False = unchecked, Null = 3rd State/Gray "Ubi" <Click here to reveal e-mail address> wrote in message news:Click here to reveal e-mail address... [Original message clipped] Reply to this message...     System.Boolean System.Type System.Windows.Forms.DataGridBoolColumn Ad MBR BootFX Best-of-breed application framework for .NET projects, developed by Matthew Baxter-Reynolds and MBR IT

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