[Solved] ASP.Net Error: default_aspx does not contain a definition for Button1_Click and no accessible extension method Button1_Click accepting a first argument of type default_aspx

Question

Ive tried playing with ASPNet here and there for a very long time and can never seem to get the hang of it Could someone please tell me whats wrong with this code Its from an example Defaultaspxlt Page Title34Home Page34 Language34C34 AutoEventWireup34true34 CodeBehind34Defaultaspxcs34 gtltform id34form134 runat34server34gt    ltpgt    Click the button to download a fileltpgt    ltaspButton ID34Button134 runat34se

ShaileshY · Accepted Answer

Hi 99kimbosliceYou need to inherit the Default pageChange your HTML code to below codeHTMLlt Page Language34C34 AutoEventWireup34true34 CodeFile34Defaultaspxcs34 Inherits34Default34 gtltDOCTYPE htmlgtlthtml xmlns34httpwwww3org1999xhtml34gtlthead runat34server34gt    lttitlegtlttitlegtltheadgtltbodygt    ltform id34form134 runat34server34gt        ltpgt            Click the button to download a file        ltpgt        ltaspButton ID34Button134 runat34server34 OnClick34Button1Click34 Text34Download34 gt        ltbr gt        ltbr gt        ltaspLabel ID34Label134 runat34server34gtltaspLabelgt    ltformgtltbodygtlthtmlgt

99kimboslice · Answer

I have discovered the error The top line of Defaultaspx should belt Page Title34Home Page34 Language34C34 AutoEventWireup34true34 CodeFile34Defaultaspxcs34 Inherits34FileDownloadExampleDefault34 gtI was missing the Inherits attribute I guess this is like the use statment in php and CodeBehind should be CodeFile why I have no idea but id definitely like to understand it

[Solved] ASP.Net Error: default_aspx does not contain a definition for Button1_Click and no accessible extension method Button1_Click accepting a first argument of type default_aspx

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