object reference not set to an instance of object
sef, If the problem is with Database return results, I presume it is in this scenario: To fix that: edit: added code formatting tags …
sef, If the problem is with Database return results, I presume it is in this scenario: To fix that: edit: added code formatting tags …
You will have to change some of your data types but the basics of what you just posted could be converted to something similar to this given the data types I used may not be accurate. Collections cannot be sorted so if you need to sort data you will probably want to use an array. … Read more
Is there a simple sleep function in Visual Basic that doens’t involve thread. Something similiar like there exists in: C: sleep(1); We also tried this code: …but it didn’t work. It gave me this error: PInvokeStackImbalance was detected Message: A call to PInvoke function ‘Ganzenbordspel!Ganzenbordspel.Spel::Sleep’ has unbalanced the stack. This is likely because the managed PInvoke … Read more
Edit: According to the Visual Studio 2015 Preview documentation, VS 2015 adds templates for shared projects and a UI for managing the references, so the below should no longer be necessary after upgrading. There does not seem to be a way to create one directly. It appears currently that Shared Code projects are automatically created when you … Read more
Using has virtually the same syntax in VB as C#, assuming you’re using .NET 2.0 or later (which implies the VB.NET v8 compiler or later). Basically, just remove the braces and add a “End Using” You can get the full documentation here http://msdn.microsoft.com/en-us/library/htd05whh(VS.80).aspx EDIT If you’re using VS2003 or earlier you’ll need the below code. … Read more
For what it’s worth, a Dictionary is (conceptually) a hash table. If you meant “why do we use the Dictionary<TKey, TValue> class instead of the Hashtable class?”, then it’s an easy answer: Dictionary<TKey, TValue> is a generic type, Hashtable is not. That means you get type safety with Dictionary<TKey, TValue>, because you can’t insert any random object into it, and you don’t have to cast the … Read more
I developed an applicatin using Visual Studio.Net 2008 Team System with Infragistics Net Advantage Tools 2010.3 and made a Setup Exe file for my application and installed on client machines where they have both Windows7 32 bit and WindowsXP Service Pack 2. ( I have also tried both way by Setup Property TargetPlatform x86 and … Read more
This problem usually occurs when some process such as loading huge data to memory stream and your system memory is not capable of storing so much of data. Try clearing temp folder by giving the command start -> run -> %temp%
If you already have a byte array then you will need to know what type of encoding was used to make it into that byte array. For example, if the byte array was created like this: You will need to turn it back into a string like this: If you can find in the code … Read more