Field (of the input) to use as parameter for the output

Gennaro
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10 years 10 months ago #2216 by Gennaro

Field (of the input) to use as parameter for the output was created by Gennaro

Hi (again),
I'm trying to use a field (which is present once in the read side) as parameter to be saved on each record of the write side.

I'm trying the GET/SET parameter with no luck...

any suggestions?

thanks again

P.S. please see the example attached, I'd like to replicate the field 'notes' of the read side to each row of the write side.

Attachment example.zip not found

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FlowHeater-Team
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10 years 10 months ago #2217 by FlowHeater-Team

Replied by FlowHeater-Team on topic Re:Field (of the input) to use as parameter for the output

Hi Gennaro,

To set a parameter only on first row you have to use the following little script.

Code:

int count = 0;

public object DoWork()
{
  if (InValues.Length == 0)
    throw new Exception("one input parameter expected");


  // only set the parameter on first row
  if (count == 0)
    Parameter.SetValue("first_number", InValues[0].GetValue());

  count++;

  return null;
}

Note: In the .NET Script Heater you have to switch the "Execute when" option to "Per each Row"

In the attachment you can find a brief example how to use it.

In one of a next version I’ll put this feature into the Set Parameter Heater, thanks for the request.

Attachment set_parameter_only_on_first_row.zip not found

Best wishes
Robert Stark

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