Format Date in SQL Server

It’s very common to show the current date (i.e., month, day, and year) in different formats. Although you can obtain the current date with Microsoft SQL Server’s GETDATE function, getting the returned date in the format you need can take a lot of effort and code. The FormatDate UDF (user-defined function) provides dates in various formats by using the following options: Continue reading

Order BY Not Working in SQL Server Functions | Quickie

Database

Ever created a function and needed to include the Order By clause. It would result in the following error being loaded:

The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified.

The problem is that to use, it requires a TOP clause or FOR XML. By if you specify TOP 100, you’ll only get the first 100 rows. You can specify a big number that you might think will never exceed. But what if you do? The best bet is to use TOP 100 PERCENT.

This will get you all the rows and works in Functions.

SQL Server | Reset Identity Column

When you create a table in SQL Server, you would also have an Identity Primary Key. This type of key would increase as new rows are added. But sometimes you would just need to delete all the rows and start all over again.

To restart the identity column, you could delete the column and re-add it again. This would normally work, but if you have relations with the primary key, you wouldn’t be allowed to delete it.

The next code that will make this possible, and restart the Primary Key from 0, thus the new row will be set as 1: Continue reading

ASP.Net | Read Values from Javascript

Today I started checking out some videos about Windows CardSpace and ASP.Net for logging in and I saw how he used javascript to get client side input and use it in ASP.Net in the C# code.

First you need to create a HiddenField on your webForm and name it TokenField (any name would actually do)

<asp:HiddenField ID=”TokenField” runat=”server” />

To set the Hidden Field value in JavaScript use the following code: Continue reading

SQL Server | Remove Special Characters

I needed to remove all the special characters from a field in a particular table in SQL Server to be used for searching purposes. After searching (binging :P)… I found the next SQL Server Function which did the trick.

This Function Removes any special character from the string value passed. All characters except 0-9, a-z and A-Z are all removed, whilst the remaining characters are returned back.

ALTER FUNCTION dbo.RemoveSpecialCharacters
(
@s VARCHAR(256)
)
RETURNS VARCHAR(256) WITH SCHEMABINDING

BEGIN
IF (@s is null)
RETURN null Continue reading