Please explain the meaning of this code

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can anyone plz tell me the purpose of the following code,

C#

objDataSet.Tables[0].DefaultView.Sort = ViewState["sortColumn"]+ " " + ViewState["sortDirection"];

while running my application am getting error "coloumn not found" and the error is with this code so plz explain me the meaning of this line.

Posted 20-Jun-12 1:19am

Am Gayathri

Updated 20-Jun-12 1:27am

Prasad_Kulkarni

v2

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3 solutions

Solution 3

This code is for sorting data in asp.net
so sortcolumn and sortdirection is used

Posted 20-Jun-12 2:07am

jalpasavaliya

Updated 20-Jun-12 2:09am

v2

Solution 1

can u post the entire code.
i mean.... u getting at viewstate coloumn not found but need to assign the value to the viewstate... so need to check where it will assign the value.

Warm regards.

shivanand Nagarabetta.

Posted 20-Jun-12 1:25am

shivanand G N

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Sandeep Mewara · Accepted Answer · 2012-06-20T01:31:00

Solution 2

objDataSet.Tables[0].DefaultView.Sort = ViewState["sortColumn"]+ " " + ViewState["sortDirection"];
Above line is setting the default sort column and direction for the table.

getting error "coloumn not found"
This means that the columnname returned/set by above line does not exists in table: objDataSet.Tables[0]

Possible reason:
1. ViewState["sortColumn"] returned null
2. ViewState["sortColumn"] returned a column name that does not exists in objDataSet.Tables[0]

Check and handle/correct it.

Posted 20-Jun-12 1:31am

Sandeep Mewara

Comments

Vani Kulkarni 20-Jun-12 7:46am

Experience speaks ;-) My 5!

Sandeep Mewara 20-Jun-12 9:32am

Thanks. :)

Shahin Khorshidnia 20-Jun-12 8:11am

Good explaination. +5

Sandeep Mewara 20-Jun-12 9:32am

Thanks Shahin.

Am Gayathri 20-Jun-12 8:20am

Thanks a lot....:)

Sandeep Mewara 20-Jun-12 9:32am

Welcome.

Maciej Los 20-Jun-12 10:32am

Good answer, my 5!

VJ Reddy 20-Jun-12 22:32pm

Nice answer. 5!

Manas Bhardwaj 21-Jun-12 4:57am

correct +5