protected void addButton_Click(object sender, EventArgs e)
        {
            TestRequestManager aRequestManager = new TestRequestManager();
            TestRequestClass   aRequestClass   = new TestRequestClass();

            aRequestClass.MobileNo = mobileNoTextBox.Text;
            if (patientNameTextBox.Text == string.Empty || dateTextBox.Text == string.Empty ||
                mobileNoTextBox.Text == string.Empty || feeTextBox.Text == string.Empty)
            {
                messageLabel.Text = "Insert All Values !";
            }
            else
            {
                if (aRequestManager.GetAllInfoByMobileNo(aRequestClass.MobileNo) == true)
                {
                    messageLabel.Text = "This Mobile No Already Exist";
                }
                else
                {
                    messageLabel.Text = string.Empty;
                    TestRequestClass aTestRequestClass = new TestRequestClass();
                    aTestRequestClass.Fee      = Convert.ToDouble(feeTextBox.Text);
                    aTestRequestClass.MobileNo = mobileNoTextBox.Text;
                    TestSetupManger aTestSetupManger = new TestSetupManger();
                    TestClass       adropClass       = aTestSetupManger.GetAllInfoByTestId(selectTestDropDownList.SelectedValue);



                    DataTable dt = (DataTable)ViewState["TestEntry"];
                    dt.Rows.Add(adropClass.Name.Trim(), feeTextBox.Text.Trim());
                    ViewState["TestEntry"] = dt;
                    this.BindGrid();

                    selectTestDropDownList.SelectedValue = null;

                    double i;
                    if (totalTextBox.Text.Length != 0)
                    {
                        i = int.Parse(totalTextBox.Text);
                        i = i + aTestRequestClass.GetFullFee(aTestRequestClass.Fee);
                    }
                    else
                    {
                        i = int.Parse(feeTextBox.Text);
                    }
                    totalTextBox.Text = i.ToString();
                    feeTextBox.Text   = string.Empty;

                    if (aRequestManager.SaveTestGridview(adropClass, aTestRequestClass) > 0)
                    {
                        messageLabel.Text = "Added";
                    }
                    else
                    {
                        messageLabel.Text = "Failed to Insert";
                    }
                }
            }
        }