How to include javascript file in asp.net master page

Collectives on Stack Overflow. Learn more. How to include Javascript file in Asp. Net page Ask Question. Asked 12 years, 2 months ago. Active 4 years, 3 months ago. Viewed k times. I want to do some client side validation using javascript in ASP. NET page. Please help. Improve this question. Vaibhav Jain Vaibhav Jain Can you explain 'it is not working'? Add a comment. See Scripts : Share on :. How to run jquery script if html page is the home page? How to call javascript function of child page from master page javascript I am writing an ASP.

How to Determine duplicate Javascript Functions which include in Asp. NET mangles its ID? Autocomplete does not work in ASP. IsStartupScriptRegistered "alert" Then. GetType , "alert", "insideJS ;", True. Referencing the. The approach shown above in Tip 2 works well, however this approach would add a reference to the. If you want to avoid this approach, then remove the reference added to the.

Now add a reference to the. GetType , "alert" , "insideJS ;" , True. Using this approach, we can avoid referencing the. Declare JavaScript inside the Content page and execute it. Add the following markup inside the Content page in our case Default. The markup shown above populates the textbox with some text on a button click. In this tip, we will see how to access a control kept on the MasterPage from a ContentPage.

Do the following:. To do so, go to the Content page Default. Now in the code behind of Default. FindControl "txtMaster" ;. Love dotnetcurry';. PopulateMaster ;. IsStartupScriptRegistered "Mast". FindControl "txtMaster" , TextBox. Love dotnetcurry. If Not Page. GetType , "Mast", script. Had we used the 'RegisterClientScriptBlock', the browser would have executed the JavaScript before the text box is on the page.

Understanding this simple difference between the two methods can save you hours of work! If your content page is wrapped in an ASP. RegisterStartupScript to call a JavaScript function during a partial-page postback. Instead, use the ScriptManager. RegisterStartupScript method. StringBuilder ;. Append "alert 'I love dotnetcurry. RegisterStartupScript this , this. GetType , "ajax" , sb. ToString , false ;. Dim sb As New System. Append "alert 'I love dotnetcurry' ;".

RegisterStartupScript Me , Me. ToString , False. Observe that the last parameter for RegisterStartupScript is set to 'false'. These were some common scenarios and their solutions when using JavaScript on Content Pages. You can read some common scenarios of using JavaScript on Master Pages as well. I hope you liked the article and I thank you for viewing it. The History of ASP. Was this article worth reading? Share it with fellow developers too.

Feedback - Leave us some adulation, criticism and everything in between! Just what I was looking for. But there's one missing for which i've been looking around for, for some weeks now: Javascript called from within a user control. All goes well until I load a content page in a subdirectory. In this case the hyperlinks in the js get an extra folderlevel appended to the url and I get a error.

For the time being I solved this by placing a copy of the script folder in every subdirectory, but u can imagine the maintenance nightmare this represents. The guys on asp. But I'm sure this should be doable somehow. U might wanna take a look into it one of these days, just to stimulate your neurons a bit more.

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