Access C# Data Insert Problem

Question

string SqlString = "Insert Into tb_Users (UserName, Password,IsDeleted) Values (?,?,?)";

using (OleDbCommand cmd = new OleDbCommand(SqlString, myCon))

{

cmd.CommandType = CommandType.Text;

cmd.Parameters.AddWithValue("UserName", "asd");

cmd.Parameters.AddWithValue("Password", "asdsadasdas");

cmd.Parameters.AddWithValue("IsDeleted", "fff");

myCon.Open();

cmd.ExecuteNonQuery();

}

 

Why this code doesn't work ? Always insert code return Syntax error in INSERT INTO statement. message. where is the problem please help me