?????? //在頁面頂部添加腳本
??????? if (!Page.ClientScript.IsClientScriptBlockRegistered("myscriptKey"))//判斷是否已經存在相同//鍵值的ScriptBlock
??????? {
??????????? string myScript = @"function AlertHello(){alert('hello xuanhun!!');}";//腳本內容
??????????? Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "myscriptKey", myScript,true);
????????
??????? }
??????? //在頁面底部添加腳本
??????? if(!Page.ClientScript.IsStartupScriptRegistered("footscriptkey"))
??????? {
??????? string CallScript = @"AlertHello();";
??????? Page.ClientScript.RegisterStartupScript(this.GetType(), "footscriptKey", CallScript, true);
??????? }
???? // 添加對js文件的引用
??????? if(!Page.ClientScript.IsClientScriptIncludeRegistered("incluedeKey"))
??????? {
??????????? string IncludeScript = @"/js/ShowHello.js";
??????????? Page.ClientScript.RegisterClientScriptInclude("includeKey", IncludeScript);
??????? }

總結

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