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Articles by Ravi LVS (Tip/Tricks: 8)

Tip/Tricks: 8

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Average tips rating: 4.23

.NET
	Ensure extension of file name is of your choice [Tip/Trick] 23 Mar 2010 Updated: 24 Mar 2010 Rating: 4.50/5 Votes: 4 Popularity: 2.71 Licence: CPOL Views: 7,300 Bookmarked: 4 Downloaded: 0 Please Sign up or sign in to vote. There are cases where we want to ensure that the filename entered by the user has a valid extension of your choice, say .XLS, .ZIP. Sometimes user may not enter extension, or may enter wrong extension like .XLA, .ZIL. In such cases, here is a simple tip where we need not check how user enters...
	Get Quarter Starting and Ending Dates for a given Date [Tip/Trick] 19 Jul 2010 Updated: 8 Aug 2010 Rating: 3.57/5 Votes: 4 Popularity: 2.15 Licence: CPOL Views: 55,124 Bookmarked: 4 Downloaded: 0 Please Sign up or sign in to vote. Get Quarter Starting and Ending Dates for a given Date
Oracle
	Check Constraint to validate a Financial Year in Oracle [Tip/Trick] 23 Jul 2010 Updated: 23 Jul 2010 Rating: 0.00/5 Votes: 0 Popularity: 0.00 Licence: CPOL Views: 9,190 Bookmarked: 3 Downloaded: 0 Please Sign up or sign in to vote. Check Constraint to validate a Financial Year in Oracle
Programming Languages
C#	Achieve performance while updating a datatable bound to a bindingsource or datagridview [Tip/Trick] 31 Jan 2010 Updated: 15 Feb 2010 Rating: 4.43/5 Votes: 5 Popularity: 3.10 Licence: CPOL Views: 21,172 Bookmarked: 7 Downloaded: 0 Please Sign up or sign in to vote. Datatable in ADO.NET is highly useful to do in memory data related operations. But it is very painful to update data when it is bound to a datagridview or bindingsource.While I was developing an application in .NET with C#, I came across this problem in which I had to modify a data table of...
	Wrap a string to a given width [Tip/Trick] 28 Feb 2010 Updated: 1 Mar 2010 Rating: 3.86/5 Votes: 4 Popularity: 2.32 Licence: CPOL Views: 25,421 Bookmarked: 2 Downloaded: 0 Please Sign up or sign in to vote. Do you want to wrap a string to a desired width for printing or other purposes, then here is a small snippet.public static List StringWrap(string srcStr, int maxWidth) { List lstLines = new List(); int spcCount = 0; if...
Visual Basic	Access the Data Rows Filtered by the BindingSource.Filter Property [Tip/Trick] 16 Mar 2010 Updated: 16 Mar 2010 Rating: 0.00/5 Votes: 0 Popularity: 0.00 Licence: CPOL Views: 7,520 Bookmarked: 3 Downloaded: 0 Please Sign up or sign in to vote. I don't see any difficulty in finding the above solution, because I am using same functionality since long back. Here is my alternative code.Instead of creating a new DataView object, you can directly call the DataTable's DefaultView.sourceDataTable.DefaultView.RowFilter =...
Web Development
ASP.NET	Limit Access Rights to download a file in ASP.NET [Tip/Trick] 19 Feb 2010 Updated: 22 Feb 2010 Rating: 4.29/5 Votes: 9 Popularity: 4.09 Licence: CPOL Views: 17,351 Bookmarked: 13 Downloaded: 0 Please Sign up or sign in to vote. If you want to keep a downloadable file private to end users / customers with their username and password, everyone suggests not to put the file in the web root directory, and gives you a suggestion to change IIS settings and use Response.TransmitFile. When you are not having access to the...
	Find the count of a weekday between two dates without iterating/looping [Tip/Trick] 8 Nov 2011 Updated: 25 Dec 2011 Rating: 4.76/5 Votes: 16 Popularity: 5.73 Licence: CPOL Views: 59,651 Bookmarked: 22 Downloaded: 0 Please Sign up or sign in to vote. Find the count of a weekday between two dates without iterating/looping

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Ravi LVS

India

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