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#1
February 5th, 2004, 02:21 PM
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Replace words using XML file
This article shows how to pass a string of text from a TEXTBOX server control to a routine that replaces words in the string. This is handy in replacing words before they get committed to the database, email or where ever this text is being sent. A dataset is created to and uses the READXML method to read an XML file into the newly created dataset to compare the words.
Here is the code: <%@ Page Debug="True" Language="vb" %> <%@ import Namespace="System.Data" %> <%@ import Namespace="System.Data.SQLClient" %> <script runat="server"> Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load If Page.IsPostBack Then Dim w As String = Request.Form("TextBox1") Label1.Text = "Statement with Replaced words:<b>" & badWords(w) & "</b>" End If End Sub Function badWords(mytext As String) As String Dim badWordsDS As New DataSet("Dataset") Dim myRow As DataRow badWordsDS.ReadXml(Server.Mappath("badwords.xml")) Dim ct As Integer ct = badWordsDS.Tables(0).Rows.Count label2.text = "Amount of Records in XML file: <b>" & ct.ToString() & "</b>" For Each myRow In badWordsDS.Tables(0).Rows mytext = mytext.ToLower.Replace(myRow(0).ToString(), "ReplacementText") Next Return mytext End Function </script> <html> <head> <title>Replace text using XML File</title> </head> <body> <form id="Form1" method="post" runat="server"> <asp:TextBox id="TextBox1" runat="server"></asp:TextBox> <br /> <asp:Button id="Button1" runat="server" Text="Button"></asp:Button> <br /> <b>Textbox data</b> <br /> <asp:Label id="Label1" runat="server">Statement with Replaced words</asp:Label> <br /> <br /> <b>Amount of records in XML file</b> <br /> <asp:Label id="Label2" runat="server">Amount of Words in XML file</asp:Label> </form> </body> </html> XML File used in replacing text <swearwords> <menu> <word>badword</word> </menu> <menu> <word>badword2</word> </menu> </swearwords>
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