RfidWeb/Frm/UserAlarmShow.cs

@@ -74,19 +74,11 @@ namespace RfidWeb.Frm
             }
             this.Invoke(() =>
             {
-                try
+                int currentFirstVisibleRowIndex = dataGridView1.FirstDisplayedScrollingRowIndex;
+                this.dataGridView1.DataSource = lsList;
+                if (currentFirstVisibleRowIndex > 0)
                 {
-                    int currentFirstVisibleRowIndex = dataGridView1.FirstDisplayedScrollingRowIndex;
-                    this.dataGridView1.DataSource = lsList;
-                    if (currentFirstVisibleRowIndex >= 0 && currentFirstVisibleRowIndex < dataGridView1.Rows.Count)
-                    {
-                        dataGridView1.FirstDisplayedScrollingRowIndex = currentFirstVisibleRowIndex;
-                    }
-                }
-                catch (Exception e)
-                {
-                    Console.WriteLine(e);
-                    
+                    dataGridView1.FirstDisplayedScrollingRowIndex = currentFirstVisibleRowIndex;
                 }
             });
         }
@@ -107,18 +99,11 @@ namespace RfidWeb.Frm
             }
             this.Invoke(() =>
             {
-                try
-                {
-                    int currentFirstVisibleRowIndex = dataGridView2.FirstDisplayedScrollingRowIndex;
-                    this.dataGridView2.DataSource = lsList;
-                    if (currentFirstVisibleRowIndex >= 0 && currentFirstVisibleRowIndex < dataGridView2.Rows.Count)
-                    {
-                        dataGridView2.FirstDisplayedScrollingRowIndex = currentFirstVisibleRowIndex;
-                    }
-                }
-                catch (Exception e)
+                int currentFirstVisibleRowIndex = dataGridView2.FirstDisplayedScrollingRowIndex;
+                this.dataGridView2.DataSource = lsList;
+                if (currentFirstVisibleRowIndex > 0)
                 {
-                   Console.WriteLine(e.Message);
+                    dataGridView2.FirstDisplayedScrollingRowIndex = currentFirstVisibleRowIndex;
                 }
             });
         }