btn enabled property statement execution problem in asp.net

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if i write btnExcel.Enabled = true; after below statement then why not executed.

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Rpt.ExportToHttpResponse(ExportFormatType.Excel, Response, true, "Report");

ie.

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Rpt.ExportToHttpResponse(ExportFormatType.Excel, Response, true, "Report");

btnExcel.Enabled = true;

ok someone gave me solution

that is

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It overrides the response object so the disabled portion of the button is not getting included in the response object. so use javascript before or after this event to disable the button.

i use javascript before or after this event to disable the button.
still not working?

Posted 1-May-12 23:34pm

Member 8861818

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Ravinder_Verma 2-May-12 7:14am

Are you download any file with the help of this code?

ZurdoDev 2-May-12 10:36am

Show the JS that you used.

Member 8861818 3-May-12 2:34am

this javascript write in btn click event before below statement
Rpt.ExportToHttpResponse(ExportFormatType.Excel, Response, true,"Report");

string JScript = "javascript:Btn_Click()";
ScriptManager.RegisterStartupScript(this, this.GetType(), "JScript", JScript, true);

.aspx page

function Btn_Click()
{

var BtnEx=document.getElementById("ctl00$ContentPlaceHolder$btnExcel");

BtnEx.disabled=false;

}

ZurdoDev 3-May-12 9:01am

You have to have JS execute first. You are trying to add JS into the Response Object but it is being overwritten. So, add an OnClientClick event to your ASP.Net button and put the JS there.

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Anup kumar(MCA) · Answer 1 · 2012-05-02T19:15:00

instead of setting enable, disable property of Button use style.dispaly
<asp:button id="bt1" runat="Server" style="display: none;" xmlns:asp="#unknown">
Do not use Visible property of button. after that in your .js file you need to do these codes :-
document.getElementById('<%= bt1.ClientID %>').style.display = "block";