Thursday, 14 June 2012

AutoCompleter in Ajax

Register Assembly in Page Directive :

<%@ Register Assembly="AjaxControlToolkit"
                    
 Namespace="AjaxControlToolkit"
                      TagPrefix="cc1" %>

IN HTML 00Test.aspx:
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:TextBox ID="txt" runat="server”></asp:TextBox>
 <cc1:AutoCompleteExtender ID="AC" runat="server"
                            
EnableViewState="False"
                             FirstRowSelected="True"
ServicePath="00Test.aspx"
ServiceMethod="ListSearch"
TargetControlID="txt"
DelimiterCharacters=":,;"
CompletionListCssClass="ac_completionListElement" CompletionSetCount="10"
CompletionListItemCssClass="ac_listItem" CompletionListHighlightedItemCssClass="ac_highlightedListItem"
                             MinimumPrefixLength="1"
CompletionInterval="1000"
OnClientItemSelected="MY" >
</cc1:AutoCompleteExtender>

In Code behind 00Test.aspx.vb:

Partial Class _00Test
    Inherits System.Web.UI.Page

<System.Web.Services.WebMethod()> _
<System.Web.Script.Services.ScriptMethod()> _
  Public Shared Function ListSearch(ByVal prefixText As String,
                                                ByVal count As Integer) As String()
 If count > 0 Then
    Dim con As New SqlClient.SqlConnection("Connestion String")
    Dim cmd As New SqlClient.SqlCommand("USP_Page", con)
    cmd.CommandType = CommandType.StoredProcedure
    cmd.Parameters.AddWithValue("@SearchTxt", prefixText)
    Dim DT As New DataTable
    Dim DA As New SqlClient.SqlDataAdapter(cmd)
    DA.Fill(DT)
    Dim lstCode As New Generic.List(Of String)
    For i As Integer = 0 To DT.Rows.Count - 1
         lstCode.Add(DT.Rows(i)("AutoSearch").ToString)
    Next
       Return lstCode.ToArray
    End If
    End Function
End Class


// call back function onItemSelect
    this function will called when any item will selected from AC List
function MY(source, eventArgs) {

            alert(eventArgs._text);

        }

.css
.ac_completionListElement
{
    padding-left: 0px;   
    background-color: inherit;
    color: #696969;
    border: 1px solid buttonshadow;       
    text-align: left;
    list-style-type: none;
    margin-top:0;
}

/* AutoComplete highlighted item */

.ac_highlightedListItem
{
    background-color: #EAF1F7;
    color: black;
    padding: 4px
    cursor:pointer
}

/* AutoComplete item */

.ac_listItem
{
    background-color: window;
    color: #696969;
    padding: 4px;
   
}


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