void LoadAppData(string AppName)
        {
            txtFeedback.Visible  = btnSubmit.Visible = false;
            btnInstall.Visible   = true;
            btnUninstall.Visible = true;
            adb = new ApplicationDBLayer();
            adb.getApplicationData(AppName);
            lblAppName.Text     = AppName;
            lblDevName.Text     = "Developer: " + adb.app.getdevName();
            lblRating.Text      = adb.app.getRating() + " * ";
            txtDescription.Text = adb.app.getDescription();
            size            = Convert.ToDecimal(adb.app.dev.getCapacity());
            lblSize.Text    = Convert.ToString(adb.app.dev.getCapacity()) + " MB";
            lblReviews.Text = adb.LoadReviews(AppName).ToString();
            //var loc = lblReviews.Location;
            //loc.X = lblReviews.Location.X + lblReviews.Text.Length + 10;
            //lblReviewsText.Location = loc;
            AdjustLblPosition(lblReviewsText, lblReviews);
            //AdjustLblPosition(lblDownloadText, lblDownloads);
            //lblReviewsText.Location.X = lblReviews.Text.Length + lblReviewsText.Location.X;
            lblOS.Text = adb.app.dev.getOS();
            decimal p = adb.app.getPrice();

            if ((int)p == 0)
            {
                lblPrice.Text     = "Free";
                lblDollar.Visible = false;
            }
            else
            {
                lblPrice.Text     = adb.app.getPrice().ToString();
                lblDollar.Visible = true;
            }
            lblDownloads.Text = adb.LoadNoOfDownloads(AppName);
            AdjustLblPosition(lblDownloadText, lblDownloads);
            //tabUserMenu.SelectedTab = this.tabPage10;

            if (adb.CheckInstalled(AppName, pID))
            {
                btnInstall.Visible = false;
            }
            else
            {
                btnUninstall.Visible = false;
            }
            circularProgressBar1.Visible = false;
            circularProgressBar1.Value   = 0;
            lblReviewsText.Visible       = true;
        }
        private void btnSubmit_Click(object sender, EventArgs e)
        {
            try
            {
                if (con.State == ConnectionState.Closed)
                {
                    con.Open();
                }
                String x;
                if (txtFeedback.Text == "Descrbe Your Experience(optional) Upto 100 characters allowed")
                {
                    x = " ";
                }
                else
                {
                    x = x = txtFeedback.Text;
                }
                string        query  = "select id from Application where name='" + lblAppName.Text + "'";
                SqlCommand    cmd    = new SqlCommand(query, con);
                SqlDataReader reader = cmd.ExecuteReader();
                string        id     = "";
                int           c      = 0;
                while (reader.Read())
                {
                    if (reader["id"] != DBNull.Value)
                    {
                        id = reader["id"].ToString();
                    }
                    c++;
                }
                reader.Close();
                if (c != 0)
                {
                    query           = "insert into Feedback values(" + id + ",'" + x + "'," + rating + ")";
                    cmd.CommandText = query;
                    cmd.ExecuteNonQuery();
                    reader.Close();
                    query           = "select CAST(avg(rating) As dec(3,2)) as 'avg' from Feedback where aid=" + id;
                    cmd.CommandText = query;
                    reader          = cmd.ExecuteReader();
                    string z = "0";
                    while (reader.Read())
                    {
                        if (reader["avg"] != DBNull.Value)
                        {
                            z = reader["avg"].ToString();
                        }
                    }
                    reader.Close();
                    query           = "update Application set rating=" + z + " where id=" + id;
                    cmd.CommandText = query;
                    cmd.ExecuteNonQuery();
                    MessageBox.Show("Feedback Submitted Successfully");
                    adb             = new ApplicationDBLayer();
                    lblReviews.Text = adb.LoadReviews(lblAppName.Text).ToString();
                    adb             = new ApplicationDBLayer();
                    GridSearchResults.DataSource = adb.LoadGrid("");
                }

                con.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }