Get The Specific Column From The Data Table Using Asp.Net C#

Step 1:- Creating the dynamic data table

DataTable dt = new DataTable();

dt.Columns.Add("UserId", typeof(int));

dt.Columns.Add("UserName", typeof(string));

dt.Columns.Add("Education", typeof(string));

dt.Rows.Add(1, "Lokesh", "B.Tech");

dt.Rows.Add(2, "Vijay", "Msc");

dt.Rows.Add(3, "Balaji", "MS");

dt.Rows.Add(4, "Charan", "B.Tech");

dt.Rows.Add(5, "Durga", "MD");

dt.Rows.Add(6, "Shiva", "B.Tech");

dt.Rows.Add(7, "Venkat", "CA");

Step 2:- By using the “DefaultView”  Key word get the specific column from the existing the data table

DataTable dtDistinct = dt.DefaultView.ToTable(true, "UserName");

It will return only the "UserName” Column details