Short description of DataGrid Columns .NET assembly 2.6.35: DataGrid Columns .NET assembly is DataGrid Columns Styles software package specifically designed for Windows Forms .NET developers. The software package answers on the question: "How to add Combobox in to DataGrid .NET in Windows Forms?" The assembly allows you to use all strengths of the .NET forms DataGrid control without waiving the user interface elements your customer needs. DataGridColumns.dll contains several additional DataGrid Columns.