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我想從事件處理程序運行一些JavaScript。這裏是我的代碼:從vb.net運行代碼
Protected Sub RecordBottomGridRow(ByVal sender As Object, ByVal e As EventArgs) Handles GridView_Body.PageIndexChanging
Dim scriptText As New StringBuilder()
scriptText.Append("<script type=""text/javascript"">")
scriptText.Append(Environment.NewLine)
scriptText.Append("function RecordBottomGridRow() {")
scriptText.Append(Environment.NewLine)
scriptText.Append("var elements = document.getElementsByClassName('exp');")
scriptText.Append(Environment.NewLine)
scriptText.Append("var expIndex;")
scriptText.Append(Environment.NewLine)
scriptText.Append("for (var i = 0, im = elements.length; im > i; i++) {")
scriptText.Append(Environment.NewLine)
scriptText.Append("var elementId = elements[i].id;")
scriptText.Append(Environment.NewLine)
scriptText.Append("expIndex = elementId.substring(3);")
scriptText.Append(Environment.NewLine)
scriptText.Append("}")
scriptText.Append(Environment.NewLine)
scriptText.Append("var fundCode = document.getElementById('htmlFund' + expIndex);")
scriptText.Append(Environment.NewLine)
scriptText.Append("var e = document.getElementById('exp' + expIndex);")
scriptText.Append(Environment.NewLine)
scriptText.Append("document.getElementById('lastFundChosen') = fundcode.value;")
scriptText.Append(Environment.NewLine)
scriptText.Append("document.getElementById('expOrColl').value = e.value;")
scriptText.Append(Environment.NewLine)
scriptText.Append("alert(e.value);")
scriptText.Append(Environment.NewLine)
scriptText.Append("} </script>")
ScriptManager.RegisterStartupScript(Me, Me.GetType(), "RecordBottomGridRow", scriptText.ToString(), False)
End Sub
注意到「警告」在那裏。我運行代碼並激發事件,但沒有彈出窗口提示JavaScript代碼沒有運行。我究竟做錯了什麼?
您的JavaScript代碼在Web瀏覽器中的外觀如何?您可以在瀏覽器中調試JavaScript代碼。 – yW0K5o 2014-10-27 17:55:03
在頁面加載並調試javascript之後點擊f12,這將是我的第一個建議,fyi chrome比IE更容易調試 – QBM5 2014-10-27 17:59:25
@ user3715441您是否調用了JavaScript函數RecordBottomGridRow? – yW0K5o 2014-10-27 18:04:43