Doc for while loop….

Modify xsd based on ur requirement…

Ok come to our bpel…

Create two global variables…

Take one assign activity in our bpel…

Double click on assign activity do some copy operations…

Temp=1;

Fact=number;

Drag and drop while activity….

Write a condition for while activity…..

Drag and drop one more Assign activity…

Drag and drop one more assign activity…

For assign result

Finally it look likes…

While using for factorial program….

Logic is:

Number=(input data)

Temp=1;

Fact=number;

While(fact>0)

{

Temp=temp*fact;

Fact=fact-1;

}

Result=temp;