Here is a extension method which can be used to perform the Delete operation on a DataTable just like the select i.e. using a filterExpression: using System; using System.Collections.Generic; using System.Data; using System.Data.SqlClient; public static class MyExtensions { /// <summary> /// Delete row based on filterExpression /// </summary> /// <param name="dt"></param> /// <param name="filterExpression"> just like select </param> /// <returns> number of ......