pls help: how to get client-side HTML "text field" value from a server side button
i copy some javascript from somewhere so user can choose pick up a date from a calendar and display the date onto a HTML text field.
I have no knowledge in writing client side script(i.e. write code in html)
can i write some code in a server-side button to get the value in the HTML text field???
i tried:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
textbox1.text = document.getElementById("htmltext").value
End Sub
but "document" is highlighted, and say isn't declar yet.
and i also tried:
textbox1.text=request.form("htmltext")
I would be greatly appreciated for your suggestions, pls help~~~~~~~thank you very much~
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ryukkl
3/9/2004 12:48:13 PM
asp.net.client-side
24353 articles. 
2 followers.
9 Replies
1677 Views
add properties id="" and runat="server" to the textbox to upgrade it to server control
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rox
3/9/2004 9:02:42 PM
the copied javascript support only client-side textbox, error will occur if i change the textbox to server control.
but why need to add properties=""???any meaning?
thank you very much~~~~~~
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ryukkl
3/10/2004 4:15:05 AM
Your statement is incorrect. You can still attach client-side code to a Server Control, however you have to do it by adding it to the appropriate Item (e.g. onClick) of the Attributes Property. For example:HtmlInputButton.Attrubutes.Add ( "onClick", "alert ( 'testing' )" )Also, you don't add properties="" (which are actually called attributes), you add id="MyID" (replacing the MyID with an ID of your own), which simply gives the Server Control a unique name.
Steven Bey
Recursion: see Recursion
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stevenbey
3/10/2004 12:29:54 PM
thank you all of you~
but pls try to stand in my situation: i can't change the textbox to server control since the copied javascipt is complicated, i don't know how to modify its content so it can pass the date (it's a calendar) value into a server-side textbox. (the javascipt is set to pass the date into a client side textbox)
how can i get the value display in the html text field from a server-side button??
thank you very much~~~~~~~~~~~~
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ryukkl
3/10/2004 1:32:33 PM
it is solved, thx~~~~~~~
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ryukkl
3/10/2004 2:53:06 PM
stevenbey,
You seem to know your stuff...got a question...
I'm having trouble with javascript in my "usercontrols" because apparently when the ascx userconrols are rendered into an aspx page at run-time, the server renames all the controls contained in the ascx file...so that my javacode (where the original control names are hard-coded) no longer runs.
Especially critical when trying to talk from a pop-up window back to the parent to write values back and forth.
Do you know what I'm talking about? Have you dealt with this issue in your javascript journey...
thanks!
dave
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DaViD
3/10/2004 9:12:41 PM
David,
I encountered this problem, say if you have a text box control (of id txtBox) in an user control (of id usrCtrl), the text box control gets rendered in html as
<input type=text id=usrCtrl:txtBox name=usrCtrl_txtBox/>
basically the id of the usercontrol gets attached to the id of the control as a prefix.
so, in your javascript attach the user control id as a prefix to the server control id.
Hope this will help you.
-Visak.
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visakgan
3/10/2004 10:17:07 PM
Slight correction of Visak's example:<input type="text" id="usrCtrl_txtBox" name="usrCtrl:txtBox" />i.e. the colon and underscore were being used for the wrong attribute. For an explanation of this see this thread.
Steven Bey
Recursion: see Recursion
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stevenbey
3/11/2004 9:10:19 AM
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