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Find item in dropdownlist

Posted on 2013-11-16
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Last Modified: 2013-11-16
Hi Experts,

I am finding a value in dropdownlist and making it selected.


if (ddlCity.Items.FindByText(Authenticate(Request.QueryString["City"].ToString())) != null)           ddlCity.Items.FindByText(Authenticate(Request.QueryString["City"].ToString())).Selected = true;



When the item present in dropdownlist is "Florida", and I am getting value as "Florida" this works fine, but when I receive "florida" then it won't find the text.

Can I ignore the case sensitivity.
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Question by:johny_bravo1
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LVL 44

Expert Comment

by:AndyAinscow
ID: 39653007
This seems to do a case independent find:
http://forums.asp.net/p/1238455/2256368.aspx
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LVL 9

Expert Comment

by:QuinnDex
ID: 39653074
try this


if (ddlCity.Items.FindByText(Authenticate(StrConv(Request.QueryString["City"], VbStrConv.ProperCase).ToString())) != null)

ddlCity.Items.FindByText(Authenticate(StrConv(Request.QueryString["City"], VbStrConv.ProperCase).ToString())).Selected = true;

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Author Comment

by:johny_bravo1
ID: 39653100
Thanks for the reply.

AndyAinscow : I don't want to loop through dropdownlist.It will work but looking for better one.

QuinnDex :  What is StrConv and VbStrConv?
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LVL 9

Expert Comment

by:QuinnDex
ID: 39653104
converting to propper case, will turn florida into Florida
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Expert Comment

by:QuinnDex
ID: 39653107
lots of ways to do it see below

http://support.microsoft.com/kb/312897
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LVL 8

Author Comment

by:johny_bravo1
ID: 39653108
Getting error for both StrConv and VbStrConv.

Is it a function written somewhere. As far as I know it isn't in framework.
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LVL 9

Expert Comment

by:QuinnDex
ID: 39653110
its part of the System.Globalization class

add a Imports System.Globalization
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LVL 8

Author Comment

by:johny_bravo1
ID: 39653122
Using C#.

using System.Globalization;

if (ddlCity.Items.FindByText(Authenticate(StrConv(Request.QueryString["City"], VbStrConv.ProperCase).ToString())) != null)

Error:

Error      5      The name 'VbStrConv' does not exist in the current context      
Error      4      The name 'StrConv' does not exist in the current context
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Accepted Solution

by:
QuinnDex earned 500 total points
ID: 39653126
different aproach for c# sorry



if (ddlCity.Items.FindByText(Authenticate(CultureInfo.CurrentCulture.TextInfo.ToTitleCase((Request.QueryString["City"]).ToString())) != null)

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Author Closing Comment

by:johny_bravo1
ID: 39653128
Thanks
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LVL 44

Expert Comment

by:AndyAinscow
ID: 39653203
>>AndyAinscow : I don't want to loop through dropdownlist.It will work but looking for better one.

You will probably find that is what is done, just in the background.  (Magic doesn't exist - it is all an illusion).

Just out of interest does the selected comment actually work if the list item is florida instead of Florida ?
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