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c# - asp.net // why does this value get NULL?

, i have this code where when i click button 4, i want to redirect to a link using a variable as a querystring! I use the variable in all of the code but suddenly when it gets to the button class it ...
frcake's user avatar
  • 258
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1 answer
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Exception Details: System.NotSupportedException: Like methods do not support null

I am checking a search box if the query is empty. If it is empty, then show a query empty error message. However, it bypasses all of my checks for an empty query and goes straight to my ...
Fawn's user avatar
  • 73
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1 answer
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mvc3 request.querystring throws null error

i have the problem of retrieving the querystring and verifying the email in mvc3 application. The thing i want to do is get the querystring values and pass it to a method to execute but when i ...
Tan's user avatar
  • 788
2 votes
2 answers
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How should I process the values of optional Query Strings?

I'm pretty new to C# and ASP.NET, so bear with me on this one. I'm setting up a page that receives query strings from the url. It then passes these strings to another method (in another class, ...
Michael Martin-Smucker's user avatar