COLUMNNO Function

Articolo
06/05/2016

Returns the ID that is assigned to a query column in the query definition.

Syntax

  
Number := Query.COLUMNNO(Column)

Parameters

Query
Type: Query

A variable that specifies the query object that contains the column.

Column
Type: Text

Refers to the name of the query column. The name of a query column is specified by the Name Property of the column in Query Designer.

Property Value/Return Value

Type: Integer

The number that is assigned to the column.

Remarks

In Query Designer, each column of the query is assigned a number that is specified by the column's ID Property. The COLUMNNO function enables you to create actions based on the ID of a column.

Example

The following example shows how to get the ID of a column of a query. The query is called My Customer Query and has a column with the name Customer_No. This example requires that you create the following variables.

Variable name	DataType	Subtype
Number	Integer	Not applicable
MyQuery	Query	My Customer Query

This statement assigns the ID of the Customer_No column in the My Customer Query query to the Number variable.

Number := MyQuery.COLUMNNO("Customer_No");

Condividi tramite