javascript - ClientID inside of ASCX file - Stack Overflow

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I am trying to get CLientID inside the .ascx (user control mark-up) file.

While this

My id is: <%=this.ClientID%>

renders as My id is: fracTemplateCtrl

This:

        <asp:Button ID="btnSave" runat="server" Text="Save Template" onclick="btnSave_Click" OnClientClick="return confirmSave('<%=this.ClientID%>');" />

renders as (inside Source code):

        <input type="submit" name="fracTemplateCtrl$btnSave" value="Save Template" onclick="return confirmSave('&lt;%=this.ClientID%>');" id="fracTemplateCtrl_btnSave" />

Clearly, ClientId property does not get evaluated in the second case. How do I overe this issue? (aside from hardcoding, which is not the answer, I would like to make the user control independent)

I am trying to get CLientID inside the .ascx (user control mark-up) file.

While this

My id is: <%=this.ClientID%>

renders as My id is: fracTemplateCtrl

This:

        <asp:Button ID="btnSave" runat="server" Text="Save Template" onclick="btnSave_Click" OnClientClick="return confirmSave('<%=this.ClientID%>');" />

renders as (inside Source code):

        <input type="submit" name="fracTemplateCtrl$btnSave" value="Save Template" onclick="return confirmSave('&lt;%=this.ClientID%>');" id="fracTemplateCtrl_btnSave" />

Clearly, ClientId property does not get evaluated in the second case. How do I overe this issue? (aside from hardcoding, which is not the answer, I would like to make the user control independent)

• javascript
• user-controls
• ascx

Share Improve this question Follow edited Apr 19, 2015 at 11:44 niton 9,2092323 gold badges3535 silver badges5656 bronze badges asked Mar 23, 2009 at 22:48 sarsnakesarsnake 27.8k6262 gold badges185185 silver badges295295 bronze badges

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2 Answers 2

Sorted by: Reset to default 3

You could set the OnClientClick property's value server-side like this:

btnSave.OnClientClick = "return confirmSave('" + this.ClientID + "')";

Try this instead

<asp:Button ID="btnSave" runat="server" Text="Save Template" onclick="btnSave_Click" OnClientClick="return confirmSave(this.id);" /> 

I am trying to get CLientID inside the .ascx (user control mark-up) file.

While this

My id is: <%=this.ClientID%>

renders as My id is: fracTemplateCtrl

This:

        <asp:Button ID="btnSave" runat="server" Text="Save Template" onclick="btnSave_Click" OnClientClick="return confirmSave('<%=this.ClientID%>');" />

renders as (inside Source code):

        <input type="submit" name="fracTemplateCtrl$btnSave" value="Save Template" onclick="return confirmSave('&lt;%=this.ClientID%>');" id="fracTemplateCtrl_btnSave" />

Clearly, ClientId property does not get evaluated in the second case. How do I overe this issue? (aside from hardcoding, which is not the answer, I would like to make the user control independent)

I am trying to get CLientID inside the .ascx (user control mark-up) file.

While this

My id is: <%=this.ClientID%>

renders as My id is: fracTemplateCtrl

This:

        <asp:Button ID="btnSave" runat="server" Text="Save Template" onclick="btnSave_Click" OnClientClick="return confirmSave('<%=this.ClientID%>');" />

renders as (inside Source code):

        <input type="submit" name="fracTemplateCtrl$btnSave" value="Save Template" onclick="return confirmSave('&lt;%=this.ClientID%>');" id="fracTemplateCtrl_btnSave" />

Clearly, ClientId property does not get evaluated in the second case. How do I overe this issue? (aside from hardcoding, which is not the answer, I would like to make the user control independent)

• javascript
• user-controls
• ascx

Share Improve this question Follow edited Apr 19, 2015 at 11:44 niton 9,2092323 gold badges3535 silver badges5656 bronze badges asked Mar 23, 2009 at 22:48 sarsnakesarsnake 27.8k6262 gold badges185185 silver badges295295 bronze badges

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 3

You could set the OnClientClick property's value server-side like this:

btnSave.OnClientClick = "return confirmSave('" + this.ClientID + "')";

Try this instead

<asp:Button ID="btnSave" runat="server" Text="Save Template" onclick="btnSave_Click" OnClientClick="return confirmSave(this.id);" /> 

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