比较时间时遇到的问题。请指点。 ( 积分: 200 )

A

Apachehan

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2007-04-08

• #1

其中TN,T1都是Tdatetime，编译下面一句话：
IF (TN<T1) AND (T1-TN)>=STRTOTIME(MASKEDIT1.Text) then
出错提示为：OPERATOR NOT APPLICABLE TO THIS OPERAND TYPE;
究竟是为什么呢？
用什么方法来解决呢？

 

X

xuhongxinghome

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2007-04-08

• #2

IF (TN<T1) AND ((T1-TN)>=STRTOTIME(MASKEDIT1.Text)) then

 

G

goldensang

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2007-04-08

• #3

用 StrToDateTime 或者MASKEDIT1格式不对

 

G

goldensang

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2007-04-08

• #4

if (TN<T1) AND ((DateTimeTostr(T1-TN)=MASKEDIT1.Text) then

 

A

Apachehan

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2007-04-08

• #5

谢谢两位。