KB-IE 7 OnChange Behavior Change 2007-05-29 08:41 PM 0 9,736 <html><body><script>function check() { var fld=document.getElementById("fld1"); if (fld.value!="123") { alert("Must...
KB-Nullable Value Type: varName == null ? 2007-05-29 03:31 PM 3 13,723 .NET裡的變數型別分為Value Type(如int, bool)與Reference Type(如StringBuilder, SqlConnection),其中Value Type的資料內容直接放在堆疊(Stack)中,不像Reference Type需要Pointer指向真正的資料位置,因而...