Added working delete functionality to refill form.

Louis'-Pharmacy_CNSA212-FP/PharmacyDataTier.cs

@@ -675,5 +675,35 @@ namespace Louis__Pharmacy_CNSA212_FP
             }
         }
 
+        public static void DeleteRefill(string Refill_id)
+        {
+
+            try
+            {
+                // open connection
+                myConn.Open();
+                //clear any parameters
+                cmdString.Parameters.Clear();
+                // command
+                cmdString.Connection = myConn;
+                cmdString.CommandType = CommandType.StoredProcedure;
+                cmdString.CommandTimeout = 1500;
+                cmdString.CommandText = "DeleteRefill";
+                // Define input parameter
+                cmdString.Parameters.Add("@Refill_id", SqlDbType.Char, 10).Value = Refill_id;
+
+                cmdString.ExecuteNonQuery();
+            }
+            catch (Exception ex)
+            {
+                throw new ArgumentException(ex.Message);
+            }
+            finally
+            {
+                myConn.Close();
+            }
+
+        }
+
     }
 }

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

@@ -208,6 +208,7 @@ namespace Louis__Pharmacy_CNSA212_FP
             this.cmuDelete.Name = "cmuDelete";
             this.cmuDelete.Size = new System.Drawing.Size(180, 22);
             this.cmuDelete.Text = "Delete";
+            this.cmuDelete.Click += new System.EventHandler(this.cmuDelete_Click);
             // 
             // splitContainer1
             // 

Louis'-Pharmacy_CNSA212-FP/frmRefill.cs

@@ -85,6 +85,8 @@ namespace Louis__Pharmacy_CNSA212_FP
         {
             string refillID = "";
 
+            if (dgvRefills.Rows.Count > 0)
+            {
                 dgvRefills.DataSource = ds.Tables[0];
                 DataGridViewRow row = new DataGridViewRow();
                 row = dgvRefills.SelectedRows[0];
@@ -98,4 +100,17 @@ namespace Louis__Pharmacy_CNSA212_FP
                 refillUpdate.FillRefill(refillID);
             }
         }
+
+        private void cmuDelete_Click(object sender, EventArgs e)
+        {
+            string refillID = "";
+
+            dgvRefills.DataSource = ds.Tables[0];
+            DataGridViewRow row = new DataGridViewRow();
+            row = dgvRefills.SelectedRows[0];
+            refillID = (row.Cells[0].Value).ToString();
+            PharmacyDataTier.DeleteRefill(refillID);
+            btnSearch_Click(sender, e);
+        }
+    }
 }