Analysis of common problems in SQL Report Builder reports,

Analysis of common problems in SQL Report Builder reports,

I

SQL reports often encounter division in tables. If the denominator is zero, an error number is usually displayed. We can do this: (A/B)

= A/iif (B = 0, 99999999999999, B)

But we cannot write it like this:

= Iif (B = 0, 0, A/B) // We cannot write this, it will generate A BUG. As for any BUG, you can try it by yourself.

II

Assume that the name of A grid in the report is A, and we need to reference the value of another grid B in A. In this case, we usually copy the formula in B again in A, which is very troublesome.

We can write this directly in:

ReportItems! Table B name. Value

In this way, you do not need to write the formula again.

3.

In the report curve, if we need to dynamically change the abscissa, we usually set the axis option to automatic at this time, but this often does not get the expected result, the following example shows how to dynamically change the style of the x-axis based on the interval of the parameter (Start Time and end time ).

Horizontal Axis attributes, numbers, custom

=IIf(Parameters!startime.Value=Parameters!endtime.Value,"",iif(DateAdd(DateInterval.day,-4,Parameters!endtime.Value)>=Parameters!startime.Value,"MM/dd","M/d H:mm"))

The preceding three sections show you the frequently asked questions in the SQL Report Builder Report.

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