How to pass a null variable to a SQL Stored Procedure from C#.net code

Question

Im calling a SQL stored procedure from a piece of C#.net code:

SqlHelper.ExecuteDataset(sqlConnection, CommandType.StoredProcedure, STORED_PROC_NAME, sqlPara         


        

Answer 1

SqlParameters[1] = new SqlParameter("Date1", SqlDbType.SqlDateTime);
SqlParameters[1].Value = DBNull.Value;
SqlParameters[1].Direction = ParameterDirection.Input;

...then copy for the second.