... System.Drawing.Size (88 , 16); label7.TabIndex = 28; label8.Location = new System.Drawing.Point (320, 312); label8.Text = "Phone"; label8.Size = new System.Drawing.Size (56, 16); label8.TabIndex ... System.Windows.Forms.ListBox lbCustomers; Programming C#, 2nd Edition 359 txtPhone.Location = new System.Drawing.Point ( 384 , 303); txtPhone.TabIndex = 18; txtPhone.Size = new System.Drawing.Size ... WebForm1.aspx, and the C# code-behind file, WebForm1.aspx.cs. When viewing the form, WebForm1.aspx, you can choose between Design mode and HTML mode by Programming C#, 2nd Edition 389 Figure 16-4....