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  • Example: Looping through customers by name in descending order
HReadLast (Example)
Example: Looping through customers by name in descending order
WEBDEV - Código ServidorAjaxHFSQL ClassicHFSQL Client/ServerHyper File 5.5OLE DBConectores Nativos The "Customer" file is looped through using the "NAME" browse key. the iteration is performed in descending order (from last to first). If the customer is a prospect (IsCustomer = 0), it is added to the TREE_PROSPECT treeview.
// Read the last record found in Customer file
HReadLast(Customer, Name)
WHILE NOT HOut()
// Check whether the customer is a prospect
IF IsCustomer = 0 THEN
// Add the record into the TreeView control
TreeAdd(TREE_Prospect, Customer.Name)
END
// Read the previous record
HReadPrevious(Customer, Name)
END
Versión mínima requerida
  • Versión 9
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Última modificación: 27/05/2022

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