2
Answers

Adding a web reference to an externally hosted asmx service

Mariee A

Mariee A

10y
3.1k
1
Hey programmers!!!
 
While adding a web reference to an externally hosted asmx web service I am getting an error "Value cannot be null.
Parameter name: discoveryError & mexError
". And the button "Add reference" appearing disabled. Kindly help me people. Below is the screen shot of problem.

Answers (2)
0
Midhun T P
NA 19.7k 281.2k 8y
Hi,
I don't think it is possible to achieve what you are looking with a single select query.
You won't get distinct from every columns while selecting multiple columns. Because distinct keyword considers whether a single row is distinct or not. Not a column. Please have a look at below link -
http://dba.stackexchange.com/questions/102677/select-distinct-on-multiple-columns
0
Abhishek Chadha
NA 454 26.3k 8y
your logic is true
could you post the screenshots of the table with data