Forms Data Controls :: Textbox Text Inside ItemTemplate In GridView Clears After The Update Button Is Clicked

Nov 10, 2010

I have a GridView with two templatefields, one with a DropDownList and the other with a TextBox, both loose their values once I hit the "update" button. Is it any way I can make the controls keep the values?

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How to Show ItemTemplate iNside EditItemTemplate Of GridView

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AJAX :: Textbox Clears After A Few Secs In Update Panel?

Oct 1, 2010

Strange problem, not sure why it's happening. Basically I have inside an UpdatePanel a dropdownlist, a textbox, and a regex validator. page loads, ddl is bound and then based on the value in the ddl, a different regex is applied to the textbox. DDL could have search by "date" (with date regex), "last name" (with az regex), or "zip code" (with a zip regex). This way one search box can be used with 3 different regexes. Select zip code in the ddl, the OnSelectedIndexChanged is fired and the new regex is applied to the textbox. Simple.

The problem is, though, is that the page loads, I select Zip Code in the DDL, type in a zip code and then tab out NOT clicking the search button, and as soon as I do the regex validator fires with the red *. I wait about 2-3 seconds and it appears there's a postback that's fired somewhere because the textbox gets cleared out. Here's the update panel.


There is nothing in the code-behind that causes any postback except the dropdown list that applies the appropriate regex to the textbox.I see no reason why after 2-3 seconds the textbox gets emptied out. Is there a way to stop this?

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Sep 8, 2010

i am using vs2008. 1/ i am placed a datagrid control, a textbox and a server side button are inside the CollapsiblePanelExtender.

2/ The collapsible panel Extender placed inside the updatepanel.

3/ outside of updatepanel i have another button("next page") to redirect to next page.

When the page is loading, i am displaying all the records in datagrid. For an example 100 rocords. if i entered some values in textbox and click the button it fetches searching result based on inputs and displaying it in datagrid (for example searched result 20).

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Forms Data Controls :: How To Find GridView ItemTemplate Textbox In Code Behind

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How to find GridView ItemTemplate (Textbox) in Code behind

if we not know textboxid

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