Description: GridView custom is not always easy, for example, a column on which radio button is not easy, why this code to display radio button column does not work as well as how to create a simple and scalable radio button GridView.
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File list (Check if you may need any files):
RadioGridView_demo
..................\RadioGridViewTestApp
..................\....................\RadioButtonGridView
..................\....................\...................\Properties
..................\....................\...................\..........\AssemblyInfo.cs
..................\....................\...................\RadioButtonEx.cs
..................\....................\...................\RadioButtonGridView.cs
..................\....................\...................\RadioButtonGridView.csproj
..................\....................\...................\RadioButtonTemplate.cs
..................\....................\RadioGridViewTestApp
..................\....................\....................\App_Data
..................\....................\....................\database.xml
..................\....................\....................\Default.aspx
..................\....................\....................\Default.aspx.cs
..................\....................\....................\Default.aspx.designer.cs
..................\....................\....................\NormalRadioButonTemplate.cs
..................\....................\....................\NormalRadioButtonGridView.cs
..................\....................\....................\Properties
..................\....................\....................\..........\AssemblyInfo.cs
..................\....................\....................\RadioGridViewTestApp.csproj
..................\....................\....................\RadioGridViewTestApp.csproj.user
..................\....................\....................\Web.config
..................\....................\RadioGridViewTestApp.sln