private SqlParameter CreateParameter (int parmIndex, DataRow schemaRow)
{
string name = String.Format ("@p{0}", parmIndex);
string sourceColumn = (string) schemaRow ["BaseColumnName"];
SqlDbType sqlDbType = (SqlDbType) schemaRow ["ProviderType"];
int size = (int) schemaRow ["ColumnSize"];
return new SqlParameter (name, sqlDbType, size, sourceColumn);
}