Help with Multiple Conditional checks for Visible Setting

[Anonymous]

I have the following Formula working to hide a message, or show a message, if the conditions are met:

If(!IsBlank(Statusval.Text),false, ReqType.Selected.Value = "Vendor Add", false, ReqType.Selected.Value = "-", false, ReqType.Selected.Value = "Block Vendor", false, ReqType.Selected.Value = "Vendor Change"  && IsBlank(varVendorInfo) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true, ReqType.Selected.Value = "Unblock Vendor" && IsBlank(varVendorInfo) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true, false)

This show the message if the 3 Variables are blank and the Type selected is Change or Unblock.

I now am trying to add an additional check of a 2nd field and when doing so it "Loses its mind" on when to show or hide..
looking to change this: ReqType.Selected.Value = "Vendor Change" && IsBlank(varVendorInfo) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true
to check a 2nd field:
ReqType.Selected.Value = "Vendor Change" && TypeVendor.Selected.value = "Purchase Order" &&  IsBlank(varVendorInfo) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true

But doing a check of a 2nd field breaks the "Or" statement and the message doesn't continue to show when it should.

[mdevaney]

@Anonymous 

Would throwing some brackets around the AND logic help?  Suggest you start by doing this and then experiment with placement of the brackets.

(ReqType.Selected.Value = "Vendor Change" && TypeVendor.Selected.value = "Purchase Order" &&  IsBlank(varVendorInfo)) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true

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[Anonymous]

Thanks @mdevaney .. Tried placing brackets in a couple different places with no change.
1st attempt:
(ReqType.Selected.Value = "Vendor Change" && TypeVendor.Selected.Value = "Purchase Order Vendor")  && IsBlank(varVendorInfo) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true,
Then tried:

(ReqType.Selected.Value = "Vendor Change" && TypeVendor.Selected.Value = "Purchase Order Vendor" && IsBlank(varVendorInfo) ) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true,

and lastly tried:

(ReqType.Selected.Value = "Vendor Change" && TypeVendor.Selected.Value = "Purchase Order Vendor" && IsBlank(varVendorInfo)  Or IsBlank(varVendorPay) Or IsBlank(varVendorw89)) ,true,

All ended up still showing the Message even though "TypeVendor" was not "Purchase Order Vendor" as shown below:

[mdevaney]

@Anonymous 

It is likely showing because one of these OR conditions are true.

Or IsBlank(varVendorPay) Or IsBlank(varVendorw89)

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[Anonymous]

Correct @mdevaney , they are.. But when it comes to a "Non-Purchase Order Vendor", the 

IsBlank(varVendorPay)

 Will always be blank.. So I need the message to be visible if the Vendor type is "Purchase Order" and the 3 Variables are blank.. 

But, if Vendor type is "Non-Purchase Order", then I will only want to check 2 of the 3 variables( haven't even started to add that yet).
At this point I can't get it to check both the Request Type and the Vendor type + the 3 Or Statements.
In the case of my screen shot, for this test, the message should be hidden as the Vendor type is Non-purchase order.. 
I did find that if I reduce my Variable check down to just two of them like this

 ReqType.Selected.Value = "Vendor Change" && TypeVendor.Selected.Value = "Purchase Order Vendor"  && IsBlank(varVendorInfo) Or IsBlank(varVendorPay),true
It worked.. it's adding the next "Or" that breaks the logic.

[Anonymous · Accepted solution]

Since I couldn't figure out a way to do it all in one.. I created two separate Labels.. where they hide based on the Type of Vendor Selected:

If(TypeVendor.Selected.Value = "Non-Purchase Order Vendor", false, !IsBlank(Statusval.Text), false, ReqType.Selected.Value = "Vendor Add", false, ReqType.Selected.Value = "-", false, ReqType.Selected.Value = "Block Vendor", false, ReqType.Selected.Value = "Vendor Change" && IsBlank(varVendorInfo) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true, ReqType.Selected.Value = "Unblock Vendor" && IsBlank(varVendorInfo) Or IsBlank(varVendorPay) Or IsBlank(varVendorw89) ,true, false)

and the other one is: TypeVendor.Selected.Value = "Purchase Order Vendor", false,

 and it works as I need it..