System.ArgumentException: The table type parameter must have a valid type name

Question

I am trying to pass in a user defined table type into a query in C#.

the type is defined with 2 columns (org and sub org)

this is what my code looks like:

Answer 1

Note that this may also happen when you're executing a stored procedure and you don't have the SqlCommand.CommandType set to CommandType.StoredProcedure, as such:

using (SqlCommand cmd = new SqlCommand("StoredProcName", conn))
{
    cmd.CommandType = CommandType.StoredProcedure;
    cmd.ExecuteNonQuery();
}