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Formula to combine fields to work even there is an empty field



I need to combine the content of 4 fields in one field in the table. The data type is number.

When one of the fields is empty, the formula does not work.

Can someone help me, please?

CONVERT(VARCHAR(10),[@field:AssignedAgentPrimary_STID],101) + ',' + CONVERT(VARCHAR(10),[@field:AddtlAgentAssigned1_STID],101) + ',' + CONVERT(VARCHAR(10),[@field:AddtlAgentAssigned2_STID],101) + ',' + CONVERT(VARCHAR(10),[@field:AddtlAgentAssigned3_STID],101)


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Hello Alex.

Using "ISNULL" -> https://howto.caspio.com/function-reference/#:~:text=IsNull(value%2C replace_value) will work for your case as it will check if the value is null and return an empty string instead of null(which will cause the formula not to work as "null" is not a string)

For your case, you can also use CAST to convert the number, like this:

ISNULL(CAST([@field:AssignedAgentPrimary_STID]  AS VARCHAR), '') + ',' +
ISNULL(CAST([@field:AddtlAgentAssigned1_STID] AS VARCHAR), '') + ',' +
ISNULL(CAST([@field:AddtlAgentAssigned2_STID]  AS VARCHAR), '') + ',' +
ISNULL(CAST([@field:AddtlAgentAssigned3_STID] AS VARCHAR), '')


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