Convert wpf datagrid to asp gridview

Question

This c# code works fine in wpf framework.

Now I need this code in asp.net.

I am using GridView instead of DataGrid.

What changes do I have to do?

Here is my c# code:

DataRowView SelectedRowValue = (DataRowView)dataGrid1.SelectedValue;

byte[] ImageBytes = (byte[])SelectedRowValue.Row.ItemArray[1];

MySqlCommand cmd2 = new MySqlCommand("INSERT INTO Images (Image) VALUES (@ImageSource)", con);

cmd2.Parameters.Add("@ImageSource", MySqlDbType.Blob, ImageBytes.Length).Value = ImageBytes;

cmd2.ExecuteNonQuery();