Insert Row using C# and a stored procedure

I have this stored procedure

CREATE PROCEDURE [dbo].InsertUserTables
@UserName varchar(100),
@View varchar(30)
AS

INSERT INTO [dbo].[UserTables] (
[UserName],
[View]
)
VALUES (
@UserName,
@View
)
GO

and the C# code to insert a row

Code:

System.Data.SqlClient.SqlParameter [] arParams2 = new System.Data.SqlClient.SqlParameter[2]; arParams[0] = new System.Data.SqlClient.SqlParameter("@UserName", System.Data.SqlDbType.NVarChar, 100); arParams[0].Value = "awni"; arParams[0].Direction = System.Data.ParameterDirection.Input; arParams[1] = new System.Data.SqlClient.SqlParameter("@View", System.Data.SqlDbType.NVarChar, 30); arParams[1].Value = "Cars"; arParams[1].Direction = System.Data.ParameterDirection.Input; Insert("InsertUserTables", arParams); .......... public void Insert(string szSPName, SqlParameter [] arParms) { // SqlConnection that will be used to execute the sql commands SqlConnection connection = null; connection = GetConnection(CGlobals.szConnectionString); SqlCommand sqlCmd = new SqlCommand(szSPName, connection); sqlCmd.CommandType = CommandType.StoredProcedure; //sqlCmd.Connection.Open(); foreach (SqlParameter p in arParms) { if( p != null ) { // Check for derived output value with no value assigned if ( ( p.Direction == ParameterDirection.InputOutput || p.Direction == ParameterDirection.Input ) && (p.Value == null)) { p.Value = DBNull.Value; } sqlCmd.Parameters.Add(p); } } sqlCmd.ExecuteNonQuery(); connection.Close(); } I've omitted the try/catch blocks here, but in the my code, I use them and I get "Object must implement IConvertible" exception, what can I do? What object is it talking about? thanks awni