DataSet does not support System.Nullable<> exception in c#

Question

public partial class Form2 : Form
{
        public Form2()
        {
            InitializeComponent();
        }
        private void Form2_Load(object sender, EventArg         


        

Answer 1

Check in your class if you have only one attribute nullable like this : decimal? , put it in decimal. For all of your attributes which have the question mark in there declaration, delete the question mark simply and execute.