The expression contains undefined function call REPLACE()


I am creating a datacolumn in which I am assigning the value of expression

"REPLACE(CONVERT(VARCHAR(11), my_date, 106), ' ', '-') +' - '+ my_series"

but I am getting an error - "The expression contains undefined function call REPLACE()"

After I have removed Replace I am getting the error for varchar.

How can I convert the date in that format - 01-Apr-2010

Kindly advice.

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You can't use T-SQL (MS SQL Server) syntax in the compute expression of a .Net data column. What is the format you want to apply to the date column?
KaranGuptaAuthor Commented:
Hi cascader_gr


I can't see an easy way to do this. The reason is that Expression property is for calculation rather than formatting (although I understand it's not just formatting you are after). Here are my suggestions:

If you need to do that in .Expression, you will have to change (event temporarily) the culture of your thread:
Dim ci as CultureInfo = CultureInfo.CurrentCulture.Clone()
ci.DateTimeFormat.ShortDatePattern = "dd-MMM-yyyy"
Thread.CurrentThread.CurrentCulture = ci

after the above, you can use: .Expression = "Convert(my_date, 'System.String') + my_series"

But I suggest you either:
* handle the row adding event of the dataset and set the column's value there
* If you don't need to persist the resulting value and you only need it for display purposes, do that on the presentation layer (i.e. when DataBinding the textbox control or grid column).

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THIS WORKS!!! Am assuming you want to do this in .NET.
 Dim objDate As Date
        Dim strDate As String
        objDate = Now()

        strDate = String.Format("{0:dd-MMM-yyyy}", objDate)
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