An unhandled exception was generated during the execution of the current web request

Question

Below is my code  IMG http   imageshack us a img812 7017 98qq jpg  When I click on Submit button in my page  I have to get dropdownlist values and I have to send it to another page   I have followed following  link  for that  When I try to run my code I am getting error as  An unhandled exception was generated during the execution of the current web request  Information regarding the origin and location of the exception can be identified using the exception stack trace below    Stack trace   IMG http   imageshack us a img534 9554 opdu jpg  Can someone please tell me what is the error

User · Answer

As far as I understand  you have more than one form tag in your web page that causes the problem  Make sure you have only one server-side form tag for each page

User · Answer

In my case  I created a new project and when I ran it the first time  it gave me the following error      An unhandled exception was generated during the execution of the   current web request  Information regarding the origin and location of   the exception can be identified using the exception stack trace below    So my solution was to go to the Package Manager Console inside the Visual Studio and run Update-Package  Problem solved

User · Answer

You have more than one form tags with runat  server  on your template  most probably you have one in your master page  remove one on your aspx page  it is not needed if already have form in master page file which is surrounding your content place holders   Try to remove that tag    lt form id  formID  runat  server  gt    and of course closing tag    lt  form gt

[c#] An unhandled exception was generated during the execution of the current web request

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