debt calc

paymentLogs/Forms/DataForm.cs

@@ -33,6 +33,7 @@ namespace PaymentLogs
             dataGridView1.Columns.Add("course_price", "Цена");
             dataGridView1.Columns.Add("paid", "Оплачено");
             dataGridView1.Columns.Add("debt", "Долг");
+            dataGridView1.Columns["debt"].ReadOnly = true;
             foreach (Payment payment in Program.PaymentRepository.All())
             {
                 if(payment.CourseId != _course.Id)
@@ -40,7 +41,7 @@ namespace PaymentLogs
                     continue;
                 }
                 dataGridView1.Rows.Add(payment.Id.ToString(), payment.FCs.ToString(), Program.CourseRepository.Get(payment.CourseId).Name,
-                    payment.CoursePrice.ToString(), payment.Paid.ToString(), payment.Debt.ToString());
+                    payment.CoursePrice.ToString(), payment.Paid.ToString(), (payment.CoursePrice - payment.Paid).ToString() );
             }
         }
 
@@ -58,6 +59,7 @@ namespace PaymentLogs
 
         private void toolStripButton2_Click(object sender, EventArgs e)
         {
+            this.ActiveControl = null;
             foreach (DataGridViewRow row in dataGridView1.Rows)
             {
                 try
@@ -70,8 +72,7 @@ namespace PaymentLogs
                             FCs = row.Cells["fcs"].Value.ToString(),
                             CourseId = Program.CourseRepository.ByName(row.Cells["course"].Value.ToString()).Id,
                             CoursePrice = Convert.ToInt32(row.Cells["course_price"].Value),
-                            Paid = Convert.ToInt32(row.Cells["paid"].Value),
-                            Debt = Convert.ToInt32(row.Cells["debt"].Value)
+                            Paid = Convert.ToInt32(row.Cells["paid"].Value)
                         };
                         Program.PaymentRepository.Update(payment.Id, payment);
                     }
@@ -109,7 +110,9 @@ namespace PaymentLogs
                         List<string> list =  new List<string> 
                         { row.Cells["id"].Value.ToString(), row.Cells["fcs"].Value.ToString(), 
                             row.Cells["course"].Value.ToString(), row.Cells["course_price"].Value.ToString(),
-                            row.Cells["paid"].Value.ToString(), row.Cells["debt"].Value.ToString() };
+                            row.Cells["paid"].Value.ToString(), 
+                            (Convert.ToInt32(row.Cells["course_price"].Value.ToString()) - (Convert.ToInt32(row.Cells["paid"])))
+                            .ToString() };
                         
                         filtredList.Add(list);
                     }