c# - Textchange Event not firing in update panel with ToolkitScriptManager using asp.net -


here aspx code

<asp:toolkitscriptmanager id="toolkitscriptmanager1" runat="server">    </asp:toolkitscriptmanager> 
<asp:updatepanel id="updatepanel1" runat="server" updatemode="conditional"> <contenttemplate>          <asp:textbox id="txt_newpayment" runat="server" style="text-align: center" onblur="if(this.value=='')this.value=this.defaultvalue;" value="0" onfocus="if(this.value==this.defaultvalue)this.value='';" class="form-control"  font-bold="true" font-size="xx-large" height="50px" ontextchanged="txt_newpayment_textchanged">0</asp:textbox>  <asp:label id="label5" runat="server" text="change: " style="text-align: center;   font-size: 20px; color: black" font-bold="true"></asp:label>  <asp:label id="lblchange" runat="server" text="n/a" style="text-align: center; font-size: 20px; color: green" font-bold="true"></asp:label>    </contenttemplate>  <triggers>   <asp:asyncpostbacktrigger controlid="txt_newpayment" eventname ="textchanged"/>  </triggers> </asp:updatepanel>

the problem code not firing textchange event in c#

 protected void txt_newpayment_textchanged(object sender, eventargs e)      {       }

it seems that, code looks , required tags placed update panel issue, 1 small problem autopostback="true" missed in above textbox control. add attributes textbox control surely trigger event.

hope useful,kindly share thoughts or feedbacks

thanks karthik


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