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11 lut 2020 · Pretty much the equivalent in Access is the nz function. There's a good page on how to use it here. However, if you're using Access just as a database backend and using Jet in your connectionstring then nz won't be available to you.
25 lut 2022 · Use Not IsNull(Fields!W_O_Count.Value) So: =IIF(Fields!approved.Value = "N" & Not IsNull(Fields!W_O_Count.Value)), "Red", "Transparent")
IsNull returns True if expression is Null; otherwise, IsNull returns False. If expression consists of more than one variable, Null in any constituent variable causes True to be returned for the entire expression.
12 paź 2006 · Protect VBA expressions from errors by using IsNull()and Not IsNull().For instance, the use of IsNull() in the following If statement handles a potential runtime error when null values exist:
The IsNull() function checks whether an expression contains Null (no data). This function returns a Boolean value. TRUE (-1) indicates that the expression is a Null value, and FALSE (0) indicates that the expression is not a Null value. Syntax
This MSAccess tutorial explains how to use the Access IsNull function with syntax and examples. The Microsoft Access IsNull function returns TRUE if the expression is a null value. Otherwise, it returns FALSE.
9 mar 2018 · nz(Field,ReturnIfNull) allows you to accept both bad (0) data as well as actual nulls. For your initial post, I'd suggest counting your parens. Start with zero and add one for each "(" and subtract one for each ")".
