lrvtc_increment
Increments a counter stored in a field.
C Language
VTCERR2 lrvtc_increment ( char *columnName, int rowIndex, int incrValue );
C# Language
int vts.increment ( string columnName, int rowIndex, int incrValue );
Java Language
int Lrvtc.increment ( string columnName, int rowIndex, int incrValue );
Data Update Functions |
Arguments
Name | Comments |
---|---|
columnName | The column name. |
rowIndex | The row number. The first row has index 1. |
incrValue | The amount to change the field value by. If incValue is negative, it is subtracted from the field value. |
lrvtc_increment changes the value in the field by the amount passed in argument incrValue.
If the cell value cannot be converted to an integer or if there is no data in the cell, the cell value after the vtc_increment call is the incrValue
argument value.
Return Values
The new value of the field.
Parameterization
All string input arguments can be passed using standard parameterization.C Language Example
int newcredit = 0; ... newcredit = lrvtc_increment("C_credit", 1, 10); lr_log_message("New credit=%d\n", newcredit);
C# Language Example
.Net Single Connection Example
Java Language Example