Hi here is my code and this textbox, does not result any thing....
<asp:TextBox ID="ProductName" runat="server" BorderWidth="1px"></asp:TextBox>
<asp:AutoCompleteExtender ID="ProductName_AutoCompleteExtender" runat="server"
MinimumPrefixLength="1"
CompletionInterval="10" EnableCaching="false" CompletionSetCount="10" FirstRowSelected = "false"
DelimiterCharacters="" Enabled="True" ServicePath="~/AutoComplete.asmx"
ServiceMethod="GetCompletionList"
TargetControlID="ProductName">
</asp:AutoCompleteExtender>
The above code in product folder called search.aspx
and the below code is in the root directory called autocomplete.asmx
Imports System
Imports System.Collections
Imports System.Linq
Imports System.Web
Imports System.Web.Services
Imports System.Web.Services.Protocols
Imports System.Xml.Linq
Imports System.Collections.Generic
Imports System.Data
Imports System.Data.SqlClient
<WebService(Namespace:="http://tempuri.org/")> _
<WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<System.Web.Script.Services.ScriptService()> _
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Public Class AutoComplete
Inherits System.Web.Services.WebService
Dim cn As New SqlClient.SqlConnection()
Dim ds As New DataSet
Dim dt As New DataTable
<WebMethod()> _
Public Function GetCompletionList(ByVal prefixText As String, _
ByVal count As Integer) As String()
'ADO.Net
Dim strCn As String = System.Configuration.ConfigurationManager.ConnectionStrings("JC").ConnectionString
cn.ConnectionString = strCn
Dim cmd As New SqlClient.SqlCommand
cmd.Connection = cn
cmd.CommandType = CommandType.Text
'Compare String From Textbox(prefixText)
'AND String From Column in DataBase(CompanyName)
'If String from DataBase is equal to String from TextBox(prefixText)
'then add it to return ItemList
'-----I defined a parameter instead of passing value
'directly to prevent SQL injection--------'
cmd.CommandText = "select * from product Where Name like @myParameter"
cmd.Parameters.AddWithValue("@myParameter", "%" + prefixText + "%")
Try
cn.Open()
cmd.ExecuteNonQuery()
Dim da As New SqlDataAdapter(cmd)
da.Fill(ds)
Catch ex As Exception
Finally
cn.Close()
End Try
dt = ds.Tables(0)
'Then return List of string(txtItems) as result
Dim txtItems As New List(Of String)
Dim dbValues As String
For Each row As DataRow In dt.Rows
''String From DataBase(dbValues)
dbValues = row("Name").ToString()
dbValues = dbValues.ToLower()
txtItems.Add(dbValues)
Next
Return txtItems.ToArray()
End Function
End Class
