How to add columns in DataTable?

Answer:

DataTable has Columns property and Columns has Add static method,so with the help of Add method we can add any columns into DataTable.

For Example:-

DataTable dt_employee = new DataTable();

dt_employee.Columns.Add("Employee_Code");

dt_employee.Columns.Add("Employee_Name"); 

Here,Employee_Code and Employee_Name will be treated as DataTable Columns.