Sorry to trouble you all with something that has already been posted a million times but I have tried everything I can and stuck with for about 10 days now. Please help. I have created 2 tables Categories, Subcategories.
Categories table has Category_ID(Primary Key) and "Category" fields. Subcat table has SubcatID(Primary Key, Sub_cat and Category_ID(Foreign Key). Here's the code of the asmx file.
Service methods used in ASPX file ServiceMethod="GetVendors" and ServiceMethod="GetContactsForVendor". Please help me find the source of the method erro 500 and I will be very greatful.
<%@ WebService Language="VB" Class="CascadingDropdown1" %>
Public Class CascadingDropdown1
Public Function GetVendors(ByVal knownCategoryValues As String, ByVal category As String) As Cascadi
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