frameset应用

System.Text.StringBuilder str = new System.Text.StringBuilder(500);
                str.Append("<frameset rows='63,*,31' cols='*' frameborder='NO' border='0' framespacing='0'>");
                str.Append("<frame name='topFrame' scrolling='NO' noresize src='top.aspx'>");

                //str.Append("<frameset cols='140,16,*' rows='*' frameborder='NO' border='0' id=middleFrame>");
                string key = SystemSet.GetSystemSet("OnLineMessage");

                if (key.Equals("1"))
                    str.Append("<frameset cols='150,*,140' rows='*' frameborder='NO' border='0' id=middleFrame>");
                else
                    str.Append("<frameset cols='150,*,1' rows='*' frameborder='NO' border='0' id=middleFrame>");

                str.Append("<frame name=leftFrame src='left.aspx?CustomMenus=1' MARGINWIDTH=0 MARGINHEIGHT=0 scrolling='auto' noresize>");
                //str.Append("<frame name=leftbarFrame src='leftbar.aspx' scrolling='NO' frameborder='NO' noresize>");
                str.Append("<frame name=mainFrame src='desktop.aspx' scrolling='auto' frameborder='NO' noresize>");
                //str.Append("<frame name=rightBar src='RightBar.aspx' scrolling='no' frameborder='NO' noresize>");
                str.Append("<frame name=msgFrame src='msg.aspx' scrolling='auto' frameborder='NO' noresize>");
                str.Append("</frameset>");

                str.Append("<frame name='buttomFrame' src='bottom.aspx?NoRefresh=0' scrolling='NO' noresize></frameset>");