currentFirstVisibleRowIndex >= 0 && currentFirstVisibleRowIndex < dataGridView2.Rows.Count

5 days ago · 61c30d2bd7
parent 3432ece505
commit 61c30d2bd7
1 changed files with 2 additions and 2 deletions
--- a/RfidWeb/Frm/UserAlarmShow.cs
+++ b/RfidWeb/Frm/UserAlarmShow.cs
@ -76,7 +76,7 @@ namespace RfidWeb.Frm
            {
                int currentFirstVisibleRowIndex = dataGridView1.FirstDisplayedScrollingRowIndex;
                this.dataGridView1.DataSource = lsList;
-                if (currentFirstVisibleRowIndex > 0)
+                if (currentFirstVisibleRowIndex >=0 && currentFirstVisibleRowIndex < dataGridView1.Rows.Count)
                {
                    dataGridView1.FirstDisplayedScrollingRowIndex = currentFirstVisibleRowIndex;
                }
@ -101,7 +101,7 @@ namespace RfidWeb.Frm
            {
                int currentFirstVisibleRowIndex = dataGridView2.FirstDisplayedScrollingRowIndex;
                this.dataGridView2.DataSource = lsList;
-                if (currentFirstVisibleRowIndex > 0)
+                if (currentFirstVisibleRowIndex >= 0 && currentFirstVisibleRowIndex < dataGridView2.Rows.Count)
                {
                    dataGridView2.FirstDisplayedScrollingRowIndex = currentFirstVisibleRowIndex;
                }