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Wish you a many many happy returns of the day.
Be always active in CP to help us improve.
Again Cheers !! ![Beer | [beer]](/script/Forums/Images/beer.gif)
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Thanks Abhijit...
Cheers.
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Well done 
Best wishes,
Navaneeth
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Thank you so much mate.
Cheers. ![Rose | [Rose]](/script/Forums/Images/rose.gif)
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Congratulations ...Wish you all the best..
Thanks
Md. Marufuzzaman
Don't forget to click [Vote] / [Good Answer] on the post(s) that helped you.
I will not say I have failed 1000 times; I will say that I have discovered 1000 ways that can cause failure – Thomas Edison.
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Thanks .......
Thanks
Md. Marufuzzaman
Don't forget to click [Vote] / [Good Answer] on the post(s) that helped you.
I will not say I have failed 1000 times; I will say that I have discovered 1000 ways that can cause failure – Thomas Edison.
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Congrat's Keep going.
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Heartiest Wishes for the 2011th too.
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As I have promised, I just released another article to configure Windows services to start automatically when some global events occurs.
This is a very cool feature which reduces large amount of unnecessary memory usage all the time. You can read the article from
Windows 7 Trigger Start Service[^]
I hope you will like this one too.
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Congratulations Abhishek for being a code project MVP..!
LatestArticle :Log4Net
Why Do Some People Forget To Mark as Answer .If It Helps.
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Abhishek Sur wrote: I am surprised to see this...
Dont be Surprised U r Deserved For this..!
LatestArticle :Log4Net
Why Do Some People Forget To Mark as Answer .If It Helps.
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Thank you my friend.
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Congrats Man for receiving MVP again, well deserved
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Thanks Brij.
Abhishek Sur
Don't forget to click "Good Answer" if you like this Solution.
Visit My Website-->www.abhisheksur.com
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Another article on a tool Released. All developers might use it.
Its really helpful to developers and architect to build superior coding following the rules which are yet customizable.
Here it is:
Simplify Code Using NDepend[^]
Cheers.
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Thanks for all your lovely help in Forums.
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Generally while doing our program in VB.NET or any language whatsoever, we come across some situation where we are in Dilemma of having more than one solution of a single problem. We think thoroughly of our knowledge base, search the Internet to get which one will be the best logic discuss with seniors or otherwise do random choice or anything. As a programmer, I always do face the problem. Let us take the example of casting in .NET.
We know, VB.NET always include Microsoft VisualBasic Namespace for your application internally, and you cannot remove the reference to that or even you don't find the namespace in the References list. This is because while you do programming with Visual Basic, your application would be enriched with some of the functionalities that Microsoft VisualBasic namespace have within your program. Take for instance Val, CStr, CInt etc. All of them are written inside Microsoft VisualBasic namespace and is included automatically in our program. They are are acting as language helpers in your program.
DirectCast:
Let us try to write one of this language helpers ourself.
Public Function CustomCInt(ByVal value as Object) as Integer
if typeof Value is Integer then
Dim i as Integer = CustomCInt(Value)
Return i
End Function
After viewing the above code you must be laughing like hell on what I have done with this. Actually my motive is to show you how difficult is to write a helper yourself without using CLR supported casting feature. Here comes the case of DirectCast. While using CInt, CStr, or CType you are actually calling a function which does similar to what I have written. Means it first checks if the type is convertable or not through Typeof Operator and then casts to appropriate Type.
DirectCast is the Simple CLR typecasting feature which you can use when you are sure about the cast. It avoids the sequence of checking in the helper Functions. Now you can write your own Helper Function like this:
Public Function CustomCInt(ByVal value as Object) as Integer
If TypeOf value is Integer then
Dim i as Integer = DirectCast(value,Integer)
Return i
End if
End Function
Now it looks great, Isnt it. Actually this is how .NET helpers are made, CType checks if the object corresponds to the Type specified and then DirectCast it to return the Converted Type Data. DirectCast is the most simple and CLR supported TypeCast feature that will cast properly if it is with appropriate type or otherwise throws an error.
TryCast:
Now going further, Lets start with TryCast. After knowing DirectCast you may wonder what exactly the TryCast is. Actually TryCast operator of VisualBasic is equivalent to 'is' operator of C#. TryCast is useful in some situations too.
Let us take the following example
Public Function CustomCheck(ByVal value as Object) as IDBConnection
If TypeOf value is IDBConnection then
Dim i as IDBConnection = DirectCast(value,IDBConnection)
Return i
End if
End Function
In this example, we are telling the CLR to check the type of Value that we passed to the Function using TypeOf function in the If statement. If it enters into the IF we can confirm that the value implements IDBConnection. But CLR doesn't knows it. Thus on the very next step, it will check if the value actually an implementation of IDBConnection again. Thus we are running redundant code. Using TryCast we can avoid that.
We may write
Dim i as IDBConnection = TryCast(value,IDBConnection)
This will direct the CLR to check if value implements IDBConnection and if so, it will convert it directly. Thus we removed Redundant code.
TryCast will store nothing if it cannot cast the value. In case of using TryCast for primitive types, it will store the value of initialization as output if it cannot convert. For Instance, conversion to integer will give you Zero(0) etc.
Hope you understand the two simple operators of Visual Basic. Don't forget to Comment on the topic. Thanks.
Abhishek Sur
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hello
Need your help for google map.
I want to ask you that can't we add html in openInfoWindowHtml function of marker in google map dynamically ?
if yes then how we can add ?
Please reply asap.
Thanks
Jony Shah
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Thanks abhishek.
Its helped me a lot. Great work.
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