How to insert data by click a button inside FormView and display in Label in ASP.Net

Hi micah,

I have created sample which full fill your requirement

HTML

<div>
    <asp:FormView ID="FormView1follow" runat="server" Width="100%" DataKeyField="UserName"
        OnItemCommand="FormView1follow_ItemCommand">
        <EmptyDataTemplate>
            <ul class="nav navbar-nav ">
                <li>
                    <asp:LinkButton ID="btnfollow" runat="server" CommandName="Insertstatus" CommandArgument='<%# Eval("UserName") %>'>
                        <asp:Label ID="Label22" runat="server" Font-Bold="True" Font-Size="X-Large" Text="Follow"></asp:Label>
                    </asp:LinkButton>
                </li>
            </ul>
        </EmptyDataTemplate>
        <ItemTemplate>
            <ul class="nav navbar-nav ">
                <li>
                    <asp:LinkButton ID="btnNotFriend" runat="server" ToolTip="follow user" Font-Bold="True">
                        <i class="" style="margin-right: 2px"></i>
                        <asp:Label ID="Label3" runat="server" Text='<%# Eval("FollowStatus") %>' Font-Bold="True"
                            ForeColor="#006699" />
                    </asp:LinkButton></li></ul>
        </ItemTemplate>
    </asp:FormView>
</div>

Code

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        PopulateFollower();
    }
}

private void PopulateFollower()
{
    DataTable dt = GetDataTable();
    if (dt.Rows.Count > 0)
    {
        FormView1follow.DataSource = dt;
    }
    else
    {
        FormView1follow.DataSource = null;
    }
    FormView1follow.DataBind();
}

private DataTable GetDataTable()
{
    SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["conn"].ToString());
    SqlCommand cmd = new SqlCommand("SELECT * FROM [InsertFollow]", con);
    con.Open();
    SqlDataAdapter da = new SqlDataAdapter(cmd);
    DataTable dt = new DataTable();
    da.Fill(dt);
    con.Close();
    return dt;
}

protected void FormView1follow_ItemCommand(object source, FormViewCommandEventArgs e)
{
    try
    {
        string username = this.Page.User.Identity.Name;
        string id = e.CommandArgument.ToString();
        if (e.CommandName.ToLower() == "InsertStatus".ToLower())
        {
            SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["conn"].ToString());
            SqlCommand cmd = new SqlCommand("InsertFollow", con);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.AddWithValue("@UserName", "Mic22");//Request.QueryString["Id"].ToString());
            cmd.Parameters.AddWithValue("@FriendUserName", "Steve1");//Request.QueryString["Id"].ToString());
            cmd.Parameters.AddWithValue("@FollowStatus", 1);
            cmd.Parameters.AddWithValue("@Count", 1);
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
            cmd.Dispose();
        }
        PopulateFollower();
    }
    catch (Exception ex)
    {
        throw ex;
    }
}

ScreenShot