Crystal Report Sum of a Column data

问题

I have field GrandTotal in my dataset which I am showing in my report. I want show the total of all data in the footer .

My column data are string .

I tried to make a formula as bellow

 SUM(ToNumber({Ds.Grandtotal}))

But its saying a field is require.

回答1:

You must convert the field into number, and then try to get the sum.

Step 1: Create a new formula from field explorer, give a name to formula (relevant name).

Step 2: Convert the field into Number.

Step 3: Then Add Sum of the formula field

Step 4: Place that Formula field into the Report Footer.

Add Formula:

Choose Field to Convert into Number or Currency:

Then After Field Conversion, get the Sum of the Formula field by choosing name of the formula from the Report fields. Formula field has fx as prefix.

回答2:

Try below solution.

1. Create a formula and write formula as

ToNumber({Ds.Grandtotal}) now place this formula in details section.

1. Now write on the placed formula and click on summary and insert summary to grand total.

来源：https://stackoverflow.com/questions/19082880/crystal-report-sum-of-a-column-data