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POASP.NET WebService: Authentication failed. ExceptionType":"System.InvalidOperationException"
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  1. POASP.NET WebService: Authentication failed. ExceptionType":"System.InvalidOperationException"
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    copied!<p>I have got a textbox and Ajax autocompleteextender in my web page.I have no problem at local Dev Machine.When i upload this page to remote host getting "Authentication failed. ExceptionType":"System.InvalidOperationException" this error. </p> <p>Here is my codes ;</p> <pre><code> &lt;form id="form1" runat="server"&gt; &lt;asp:ScriptManager ID="ScriptManager1" runat="server"&gt; &lt;Services&gt; &lt;asp:ServiceReference Path="~/WebService.asmx" /&gt; &lt;/Services&gt; &lt;/asp:ScriptManager&gt; &lt;div&gt; &lt;asp:TextBox ID="txtAra" runat="server"&gt;&lt;/asp:TextBox&gt; &lt;cc1:autocompleteextender id="AutoCompleteExtender1" runat="server" servicepath="~/WebService.asmx" servicemethod="IsmeGoreGetir" minimumprefixlength="1" targetcontrolid="txtAra" &gt; &lt;/cc1:autocompleteextender&gt; &lt;/div&gt; &lt;/form&gt; </code></pre> <p>And then web service side ;</p> <pre><code>OleDbConnection con; OleDbCommand cmd; OleDbDataReader dr; [WebMethod(EnableSession = true)] public string[] IsmeGoreGetir(string prefixText, int count) { con = new OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0;Data Source=" + Server.MapPath("~/App_Data/nobetRehber.mdb")); cmd = new OleDbCommand( "Select * from Rehber Where AD like '" + prefixText.ToUpper() + "%'",con); OleDbDataAdapter da = new OleDbDataAdapter(cmd); if (con.State != ConnectionState.Open) con.Open(); DataTable dt = new DataTable(); da.Fill(dt); string[] items = new string[dt.Rows.Count]; int i = 0; foreach (DataRow dr in dt.Rows) { items.SetValue(dr["AD"].ToString(), i); i++; } con.Close(); return items; } </code></pre>
 

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