Category Archives: TIPS/TRICKS

Validation Of Viewstate MAC Failed

How to solve Validation Of Viewstate MAC Failed error in ASP.NET

If you are looking solution for one of the weird error “Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.” I

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How to allow only number input in your code using C#

Being coder, we often have different challenges to write code to accomplish a task based on some exact requirement. Here we are going to learn how to allow the user only to write number not other characters like “a/A to z/Z” and other special characters

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How to solve “Not enough memory” error and Windows Phone 8 Emulator does not start in Windows 8.1

If you are a Windows Phone developer and have upgraded your system from windows 8 to windows 8.1 then you might have faced “Not enough memory” error problem. If you are facing same problem then stop worrying, Microsoft exposed the symptom, reasons and solution of

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How to Save Image in Local Photos album of Windows Phone ?

Sometimes you may want to develop a windows phone app which containing many images to view like WallPaper app for Windows Phone LockScreen, Celebrity album, etc. It is quite easy to display images by using Image Control and passing source path to respective Image Control,

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How to Solve issues of Internet not working with Windows Phone 8 emulator.

If you are facing issues while connecting Internet with Windows Phone 8 emulator during deployment process and getting error message like “Windows Phone emulator was not able to connect to Windows Phone operating system. Phone didn’t respond to connect request” or on opening IE(Internet Explorer)