Question

Here is my SQL statement:

UPDATE InboxItem 
SET OrderId = @0, Item = @1, Quantity = @2, Price = @3, 
    Memo = "", InboxId = @4, VATId = @5 
WHERE Id = @6

This throws SqlException, saying that

An object or column name is missing or empty. For SELECT INTO
statements, verify each column has a name. For other statements, look
for empty alias names. Aliases defined as \”\” or [] are not allowed.
Change the alias to a valid name.

I think I know what the problem is. If I give value to Memo, everything is ok. However, I sometimes want memo to be empty string. How to do this?

Answer 1

Use '' instead of "". Also verify that your input is escaped properly (perhaps one of the strings has a comma in it that is unescaped).