binding data with javascript

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.NET2.0

i have this

HTML

<script type="text/javascript">  setState(this);</script>

and dropdownlist in source code of .net page

ASP.NET

<asp:DropDownList  ID="ddlState" runat="server" CssClass="input2" style="width:196px" onchange="set_city_state(this,district)">
	 <asp:ListItem Value="" Selected="True">Select State</asp:ListItem>
	 
          </asp:DropDownList>

but i don't know how to relate both so that drop down bind with data written in javascript..

Posted 17-May-12 19:59pm

pck.ns

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bhagirathimfs · Answer 1 · 2012-05-17T21:29:00

Solution 1

The function name written in the on change event must be equal to the function written in the java script so that when the event fire it will go to that function written in the java script file.

ASP.NET

<asp:dropdownlist id="ddlState" runat="server" cssclass="input2" style="width:196px" onchange="setState(this,district)" xmlns:asp="#unknown">
	 <asp:listitem value="" selected="True">Select State</asp:listitem>
	 
          </asp:dropdownlist>

Posted 17-May-12 21:29pm

bhagirathimfs

Comments

pck.ns 18-May-12 4:18am

data is not binding.tell me how to relate first code with 2nd one.both code were related to each other in html page as
<select class="input input2" style="width:196px" önchange="set_city_state(this,district)">
<option value="" selected="selected">Select State</option><script type="text/javascript">setState(this);</script></select>

but when i converted that html page in aspx problem is created.

bhagirathimfs 18-May-12 4:33am

Inside setstate function you have written code to bind the drop down??
If yes than use onload event rather than onchange event.
If no than what is the java script function namein which you have written the bind code.