Crystal Reports  

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//Expressions example
//The first expression.Its value is the Number
//value 30
10 + 20;
//The second expression¨ä­È¬°¦r¦ê
//"Hello World".¥¦¦û¥Î¨â¦æ¡C
"Hello " +
"World";
//The third expression.¨ä­È¬°¼Æ¦r«¬§O
{­q³f©ú²Ó.¼Æ¶q} * 2 - 5;
//The fourth expression.¨ä­È¬°¦r¦ê«¬§O
If {­q³f©ú²Ó.¼Æ¶q} > 1 Then
"¦h­«³æ¦ì"
Else
"³æ¤@³æ¦ì";
//The fifth and final expressionIts value is the
//Number value 25
20 + 5

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20 + 5;

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Else
"³æ¤@³æ¦ì";

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½d¨Ò

//First expression.It declares the Number variable x
//and then returns the value of an uninitialized
//Number variable, which is 0.
NumberVar x;
//Second expression.It assigns the value of 30 to x,
//and returns 30.
x:=30

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