javascript - "Page.ClientScript.RegisterClientScriptBlock" not working while "ScriptManager.RegisterClientScriptBlock" -


i trying figure why page.clientscript.registerclientscriptblock not working while scriptmanager.registerclientscriptblock do work

my code using code:

this.page.clientscript.registerclientscriptblock(gettype(), "headercomment", "<script>not working</script>", false);

in past used work

so tried solution , did find master page dont contain <form id="form1" runat="server">

when added form tag this.page.clientscript.registerclientscriptblock didn't work, , tried use scriptmanager.registerclientscriptblock(this.page, gettype(), "headercomment", "<script>working</script>", false); , worked.

i prefer use page.clientscript.registerclientscriptblock , not scriptmanager.registerclientscriptblock way won't need change existing working code.

i didn't find differences if there between those.. , scriptmanager.registerclientscriptblock changes cause change in application.

what can reason that:

 this.page.clientscript.registerclientscriptblock(gettype(), "headercomment", "<script>not working using 'page.clientscript.registerclientscriptblock'</script>", false);

is not working?

the solution worked me wrap body content of master page form tag runat="server" attribute:

<body>   <form id="form1" runat="server">   ...   ...   </form> </body>

then code behind page runs within master page following code works

page.clientscript.registerclientscriptblock(gettype(), "scriptid", "<script>console.log('working');</script>", false);

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