Update frmPrescription.cs code to the code before reverting

Louis'-Pharmacy_CNSA212-FP/frmPrescription.Designer.cs

@@ -35,7 +35,7 @@ namespace Louis__Pharmacy_CNSA212_FP
             this.txtPhysName = new System.Windows.Forms.TextBox();
             this.txtMedID = new System.Windows.Forms.TextBox();
             this.txtPatID = new System.Windows.Forms.TextBox();
-            this.txtRxNumber = new System.Windows.Forms.TextBox();
+            this.txtRxNum = new System.Windows.Forms.TextBox();
             this.lblDisPurpose = new System.Windows.Forms.Label();
             this.btnCancel = new System.Windows.Forms.Button();
             this.btnGO = new System.Windows.Forms.Button();
@@ -96,13 +96,13 @@ namespace Louis__Pharmacy_CNSA212_FP
             this.txtPatID.Size = new System.Drawing.Size(163, 22);
             this.txtPatID.TabIndex = 28;
             // 
-            // txtRxNumber
+            // txtRxNum
             // 
-            this.txtRxNumber.Location = new System.Drawing.Point(433, 141);
+            this.txtRxNum.Location = new System.Drawing.Point(433, 141);
-            this.txtRxNumber.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
+            this.txtRxNum.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
-            this.txtRxNumber.Name = "txtRxNumber";
+            this.txtRxNum.Name = "txtRxNum";
-            this.txtRxNumber.Size = new System.Drawing.Size(163, 22);
+            this.txtRxNum.Size = new System.Drawing.Size(163, 22);
-            this.txtRxNumber.TabIndex = 27;
+            this.txtRxNum.TabIndex = 27;
             // 
             // lblDisPurpose
             // 
@@ -207,7 +207,7 @@ namespace Louis__Pharmacy_CNSA212_FP
             this.Controls.Add(this.txtPhysName);
             this.Controls.Add(this.txtMedID);
             this.Controls.Add(this.txtPatID);
-            this.Controls.Add(this.txtRxNumber);
+            this.Controls.Add(this.txtRxNum);
             this.Controls.Add(this.lblDisPurpose);
             this.Controls.Add(this.btnCancel);
             this.Controls.Add(this.btnGO);
@@ -234,7 +234,7 @@ namespace Louis__Pharmacy_CNSA212_FP
         private System.Windows.Forms.TextBox txtPhysName;
         private System.Windows.Forms.TextBox txtMedID;
         private System.Windows.Forms.TextBox txtPatID;
-        private System.Windows.Forms.TextBox txtRxNumber;
+        private System.Windows.Forms.TextBox txtRxNum;
         private System.Windows.Forms.Label lblDisPurpose;
         private System.Windows.Forms.Button btnCancel;
         private System.Windows.Forms.Button btnGO;

Louis'-Pharmacy_CNSA212-FP/frmPrescription.cs

@@ -8,16 +8,230 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
+using System.Drawing.Imaging;
+using System.Net.NetworkInformation;
+
 namespace Louis__Pharmacy_CNSA212_FP
 {
     public partial class frmPrescription : Form
     {
-        public frmPrescription()
+        private readonly bool isAdd;
+        private frmInfo SourceForm;
+        ErrorProvider epLocal = new ErrorProvider();
+        public frmPrescription(frmInfo sourceForm, bool isNew)
         {
+
+
+            SourceForm = sourceForm;
+
+            isAdd = isNew;
             InitializeComponent();
+
+
+
+            if (isNew)
+            {
+                lblDisPurpose.Text = "Add Prescription";
+                btnGO.Text = "Create";
+            }
+            else
+            {
+                lblDisPurpose.Text = "Edit Prescription";
+                btnGO.Text = "Update";
+            }
+            KeyPreview = true;
+            KeyDown += frmPrescription_KeyDown;
+        }
+
+        private void frmPrescription_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.KeyCode == Keys.Escape)
+                Close();
+
+            if (e.KeyCode == Keys.Enter) btnGO_Click(sender, e);
+        }
+
+        public void FillPrescription(string rxID)
+        {
+            var ds = new DataSet();
+            var data = new PharmacyDataTier();
+
+            ds = PharmacyDataTier.PrescriptionInfoSearch(rxID);
+            txtRxNum.Text = ds.Tables[0].Rows[0]["RxNum"].ToString();
+            txtPatID.Text = ds.Tables[0].Rows[0]["Patient_id"].ToString();
+            txtMedID.Text = ds.Tables[0].Rows[0]["Medication_id"].ToString();
+            txtPhysName.Text = ds.Tables[0].Rows[0]["Physician_name"].ToString();
+            txtPhysID.Text = ds.Tables[0].Rows[0]["Physician_id"].ToString();
+            txtCompletedRefills.Text = ds.Tables[0].Rows[0]["Completed_refills"].ToString();
+            txtMaxRefills.Text = ds.Tables[0].Rows[0]["Max_refills"].ToString();
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e)
+        {
+            Close();
+        }
+
+        private void btnGO_Click(object sender, EventArgs e)
+        {
+
+            var hasFailed = false;
+
+            var Patient_id = "";
+            var Medication_id = "";
+            var Physician_name = "";
+            var Physician_id = "";
+            var Completed_refills = "";
+            var Max_refills = "";
+            var RxNum = "";
+
+
+            if (txtMedID.Text.Length + txtPhysName.Text.Length + txtMedID.Text.Length + txtPhysID.Text.Length + txtCompletedRefills.Text.Length + txtMaxRefills.Text.Length + txtRxNum.Text.Length > 0)
+            {
+
+
+
+                try
+                {
+                    RxNum = txtRxNum.Text;
+
+                    if (RxNum.Length > 30)
+                    {
+                        throw new Exception();
+                    }
+
+                }
+                catch (Exception exception)
+                {
+                    epLocal.SetError(txtRxNum, "Invalid Value");
+                    hasFailed = true;
+                }
+                try
+                {
+
+                    Physician_id = txtPhysID.Text;
+
+                    if (Physician_id.Length > 8)
+                    {
+                        throw new Exception();
+                    }
+
+                }
+                catch (Exception exception)
+                {
+                    epLocal.SetError(txtPhysID, "Invalid Value");
+                    hasFailed = true;
+                }
+                try
+                {
+                    Physician_name = txtPhysName.Text;
+                    if (Physician_name.Length > 30)
+                    {
+                        throw new Exception();
+                    }
+                }
+                catch (Exception exception)
+                {
+                    epLocal.SetError(txtPhysName, "Invalid Value");
+                    hasFailed = true;
+                }
+
+                try
+                {
+                    Medication_id = txtMedID.Text;
+                    if (Medication_id.Length > 7)
+                    {
+                        throw new Exception();
+                    }
+
+                    while (Medication_id.Length < 7)
+                    {
+                        RxNum = "0" + RxNum;
+                    }
+                }
+                catch (Exception exception)
+                {
+                    epLocal.SetError(txtMedID, "Invalid Value");
+                    hasFailed = true;
+                }
+                if (!hasFailed)
+                {
+                    if (isAdd)
+                    {
+                        PharmacyDataTier.CreatePrescription(
+                            RxNum,
+                            Patient_id,
+                            Medication_id,
+                            Physician_name,
+                            Physician_id,
+                            Completed_refills,
+                            Max_refills);
+                    }
+                    else
+                    {
+                        PharmacyDataTier.UpdatePrescription(
+                            RxNum,
+                            Patient_id,
+                            Medication_id,
+                            Physician_name,
+                            Physician_id,
+                            Completed_refills,
+                            Max_refills);
+                    }
+
+                    SourceForm.txtRxNumber.Text = RxNum;
+                    SourceForm.btnPrescriptionSearch_Click(sender, e);
+                    Close();
+
+
+                }
+            }
+
         }
 
         private void frmPrescription_Load(object sender, EventArgs e)
+        {
+            //txtMedID.Enabled = false;
+
+            if (isAdd)
+            {
+                var nextID = PharmacyDataTier.GetNextRxNum();
+                txtMedID.Text = nextID.ToString();
+            }
+        }
+
+
+        private void txtMedID_TextChanged(object sender, EventArgs e)
+        {
+            epLocal.SetError(txtMedID, "");
+        }
+
+        private void txtPhysName_TextChanged(object sender, EventArgs e)
+        {
+            epLocal.SetError(txtPhysName, "");
+        }
+
+
+        private void txtPhysID_TextChanged(object sender, EventArgs e)
+        {
+            epLocal.SetError(txtPhysID, "");
+        }
+
+        private void txtCompletedRefills_TextChanged(object sender, EventArgs e)
+        {
+            epLocal.SetError(txtCompletedRefills, "");
+        }
+
+        private void txtMaxRefills_TextChanged(object sender, EventArgs e)
+        {
+            epLocal.SetError(txtMaxRefills, "");
+        }
+
+        private void txtRxNum_TextChanged(object sender, EventArgs e)
+        {
+            epLocal.SetError(txtRxNum, "");
+        }
+
+        private void btnGO_Click_1(object sender, EventArgs e)
         {
 
         }