Filter using ASP.Net Ajax AutoCompleteExtender with Stored Procedure

hello , 

I am using search by ajax Toolkit AutoCompleteExtender.

HTML

<asp:TextBox ID="txtSearch" runat="server" AutoPostBack="True" BackColor="#FFFFCC" Font-Bold="True" Font-Names="Arial" Font-Size="X-Large" Height="30px" OnTextChanged="txtSearch_TextChanged" placeholder="الاسم / رقم المدنى" Style="text-align: center" Width="300px"></asp:TextBox>
<ajaxToolkit:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" CompletionInterval="100" CompletionSetCount="10" EnableCaching="false" FirstRowSelected="false" MinimumPrefixLength="2" ServiceMethod="SearchCustomers" TargetControlID="txtSearch">
</ajaxToolkit:AutoCompleteExtender>
<asp:Button ID="Button33" runat="server"  OnClick="Search" CssClass="btn3" Font-Bold="True" Font-Names="Arial" Height="35px" Width="50px" Font-Size="Large" BorderStyle="None" BackColor="#20519D" ForeColor="White" Text="بحث" />

the search work perfect 

i have 10 Group's like GroupA , GroupB ,  GroupC ....  if anyone trying search its dispaly all users groups

i want if user from groupC search users, i want only dispaly/show users from groupC

protected void Searchdata()
{
    try
    {
 
        String constring = ConfigurationManager.ConnectionStrings["cmConnectionString"].ConnectionString;
        SqlConnection sqlcon = new SqlConnection(constring);
        String pname = "Insert_Userupdate";
        sqlcon.Open();
        SqlCommand com = new SqlCommand(pname, sqlcon);
        com.CommandType = CommandType.StoredProcedure;
        com.Parameters.AddWithValue("civilid", txtSearch.Text);
        com.Parameters.AddWithValue("name", txtSearch.Text);
        SqlDataReader rdr;
        rdr = com.ExecuteReader();
        if (rdr.Read())
        {
            fName.Text = rdr["name"].ToString();
            ffileid.Text = rdr["fileid"].ToString();
            fcivilid.Text = rdr["civilid"].ToString();
            codeid.Text = rdr["id"].ToString();
            mobile.Text = rdr["mobile"].ToString();
            joptitel.Text = rdr["jop"].ToString();
            Adminset.Text = rdr["RoleId2"].ToString();
            ddlCountries.SelectedItem.Text = rdr["Countries"].ToString();
            ddlStates.SelectedItem.Text = rdr["States"].ToString();
            ddlCities.SelectedItem.Text = rdr["Cities"].ToString();
            toplist.Text = rdr["CountryId3"].ToString();
            Passwordupdate.Text = rdr["password"].ToString();
            if (fcivilid.Text.Trim().Length == 12)
            {
                int year = 0;
                if (fcivilid.Text.StartsWith("3"))
                {
                    year = Convert.ToInt32("20" + fcivilid.Text.Substring(1, 2));
                }
                else if (fcivilid.Text.StartsWith("2"))
                {
                    year = Convert.ToInt32("19" + fcivilid.Text.Substring(1, 2));
                }
 
                int current = DateTime.Today.Year;
                result_civilid_Age.Text = (current - year).ToString();
            }
        }
        else
        {
            fName.Text = " ";
            fcivilid.Text = " ";
            ffileid.Text = " ";
            codeid.Text = " ";
            Adminset.Text = " ";
 
            ClientScript.RegisterClientScriptBlock(GetType(), "alert",
                "alert('" + "لاتوجد بيانات\\n " + txtSearch.Text.ToString() + "');", true);
        } 
        sqlcon.Close();
    }
    catch (Exception)
    {
    }
}

StoredProcedure

USE [cm]
GO
/****** Object:  StoredProcedure [dbo].[Insert_Userupdate]    Script Date: 29/03/2023 03:35:49 م ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER procedure [dbo].[Insert_Userupdate]
    (
    @name nvarchar(max),
    @civilid nvarchar(max)
)
as
begin
    Select * from Table_infoname where name LIKE '%' + @name +'%' OR civilid LIKE '%' + @civilid +'%'
end