Sending multiple parameters to AutoComplete extender in asp.net using web method

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i have two textboxes, both with autocomplete extender.after selecting value from first textbox, and start typing into second textbox it should suggest the value only related to first textbox value . when i start typing into second textbox its not firing the webmethod...
Here is my code...

XML

<asp:TextBox ID="txtClientUser" runat="server" ClientIDMode="Static" onChange="$find('AutoCompleteExtender5').set_contextKey(this.value);" onblur="checkClientSelected(this)"></asp:TextBox>
                                           <ajax:AutoCompleteExtender ID="AutoCompleteExtender4" runat="server" TargetControlID="txtClientUser"
                                           CompletionInterval="10" CompletionSetCount="100" MinimumPrefixLength="1" EnableCaching="false"
                                           ServiceMethod="GetClientName" ServicePath="~/CMSAdmin/frmClientMaster_New.aspx" OnClientItemSelected="ClientNameSelected" FirstRowSelected="false"></ajax:AutoCompleteExtender>

XML

<asp:TextBox ID="txtAdd1User" runat="server" onkeyup="SetContextKey()" onblur="CheckAddressSelected(this)"></asp:TextBox>
                                            <ajax:AutoCompleteExtender ID="AutoCompleteExtender5" runat="server" TargetControlID="txtAdd1User"
                                           CompletionInterval="10" CompletionSetCount="100" EnableCaching="false" ServiceMethod="GetAddressName"
                                           ServicePath="~/CMSAdmin/frmClientMaster_New.aspx" OnClientItemSelected="AddressSelected" UseContextKey="true"></ajax:AutoCompleteExtender>

C#

[System.Web.Script.Services.ScriptMethod()]
    [System.Web.Services.WebMethod]
    public static List<string> GetAddressName(string prefixText, string ClientId)
    {
        SqlConnection conn = ApplicationInfo.GetConnection();
        List<string> AddressName = new List<string>();
        try
        {
            DataTable dt = AddressManager.Search_AddressName(conn, prefixText, ClientId).Tables[0];
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                string Item = AjaxControlToolkit.AutoCompleteExtender.CreateAutoCompleteItem(dt.Rows[i]["AddressName"].ToString(), dt.Rows[i]["AddressId"].ToString());
                AddressName.Add(Item);
            }
            
        }
        catch (Exception ex)
        {

        }
        finally
        {
            conn.Close();
            conn.Dispose();
        }
        return AddressName;
    }

Posted 26-Jul-15 20:00pm

Member 11864926

Updated 26-Jul-15 23:28pm

v3

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rkganapathy · Accepted Answer · 2015-07-26T23:47:00

<ajax:autocompleteextender id="AutoCompleteExtender5" runat="server" targetcontrolid="txtAdd1User" xmlns:ajax="#unknown">
CompletionInterval="10" CompletionSetCount="100" EnableCaching="false" ServiceMethod="GetAddressName"
ServicePath="~/CMSAdmin/frmClientMaster_New.aspx" OnClientItemSelected="AddressSelected" UseContextKey="true" OnClientPopulating="App_Context_Key">

//Use OnClientPopulating="App_Context_Key" Property

Javascript;
function Appt_Context_Key(source, e) {
source.set_contextKey($get("<%=ddlControl.ClientID%>").value);
}
// User Pipe Symbol for Multiple
// Like source.set_contextKey($get("<%=ddlControl2.ClientID%>").value+'|'+$get("<%=ddlControl.ClientID%>").value);

//Web Method
[System.Web.Script.Services.ScriptMethod()]
[System.Web.Services.WebMethod]
public static List&lt;string&gt; GetAddressName(string prefixText, string ClientId,string contextKey)
{
SqlConnection conn = ApplicationInfo.GetConnection();
List&lt;string&gt; AddressName = new List&lt;string&gt;();
try
{
DataTable dt = AddressManager.Search_AddressName(conn, prefixText, ClientId).Tables[0];
for (int i = 0; i &lt; dt.Rows.Count; i++)
{
string Item = AjaxControlToolkit.AutoCompleteExtender.CreateAutoCompleteItem(dt.Rows[i]["AddressName"].ToString(), dt.Rows[i]["AddressId"].ToString());
AddressName.Add(Item);
}

}
catch (Exception ex)
{

}
finally
{
conn.Close();
conn.Dispose();
}
return AddressName;
}