diff --git a/WinFormsApp1/Form1.cs b/WinFormsApp1/Form1.cs
index 2642767..e04bf8b 100644
--- a/WinFormsApp1/Form1.cs
+++ b/WinFormsApp1/Form1.cs
@@ -23,12 +23,16 @@ namespace WinFormDataGridViewDemo
             dataGridView1.Columns[1].Name = "LayoutValue";
             dataGridView1.Columns[2].Name = "SecsKey";
             dataGridView1.Columns[3].Name = "SecsValue";
+
+            
+            //dataGridView1.Columns[3].Name = "SecsValue";
             dataGridView1.Columns[0].ReadOnly = true;
             dataGridView1.Columns[1].ReadOnly = true;
             dataGridView1.Columns[2].ReadOnly = true;
             dataGridView1.Columns[3].ReadOnly = false;
             dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
             dataGridView1.AllowUserToAddRows = false;
+            dataGridView1.AllowUserToAddRows = true;
             LoadDataGrid();
             dataGridView1.Dock = DockStyle.Fill;
             tableLayoutPanel1.Dock = DockStyle.Fill;