| string text = this.txtName.Text.Substring(0, 4).ToUpper();
string text3 = this.productId1.Text;
string text4 = this.productId2.Text;
string text5 = this.productId3.Text;
string value = text3 + text + text4 + text5;
you can see this in dnspy or another .net decompiler |
==> |