Editable grid validation

Question

I have to validate a editable grid for the following scenario - 
 I have two fields in the grid 1. Role 2. Location 
 use case - if the user select combination of same role and location as a duplicate then it should thrown an validation error like combination of role and location already exits. 
 example - if the user select role as developer and location as india and again he adding a new row and selecting the same role and same location it should throw an error 
 any one suggest some idea

deepakg681722 · Accepted Answer

Please try this. 
 a!localVariables(
 local!data,
 a!gridLayout(
 headerCells: {
 a!gridLayoutHeaderCell(label: "Role"),
 a!gridLayoutHeaderCell(label: "Location")
 },
 addRowLink: a!dynamicLink(
 label: "Add",
 saveInto: {
 a!save(
 local!data,
 append(local!data, { role: "", loc: "" })
 )
 }
 ),
 rows: a!forEach(
 items: local!data,
 expression: a!gridRowLayout(
 contents: {
 a!dropdownField(
 choiceLabels: { "Dev", "Tester" },
 choiceValues: { "Dev", "Tester" },
 placeholder: "---",
 value: fv!item.role,
 saveInto: fv!item.role,
 validations: if(
 count(
 intersection(
 wherecontains(
 tostring(fv!item.role),
 a!flatten(local!data.role)
 ),
 wherecontains(
 tostring(fv!item.loc),
 a!flatten(local!data.loc)
 )
 )
 ) > 1,
 "combination of role and location already exits",
 ""
 )
 ),
 a!dropdownField(
 choiceLabels: { "India", "USA", "AUS" },
 choiceValues: { "India", "USA", "AUS" },
 placeholder: "---",
 value: fv!item.loc,
 saveInto: fv!item.loc,
 validations: if(
 count(
 intersection(
 wherecontains(
 tostring(fv!item.role),
 a!flatten(local!data.role)
 ),
 wherecontains(
 tostring(fv!item.loc),
 a!flatten(local!data.loc)
 )
 )
 ) > 1,
 "combination of role and location already exits",
 ""
 )
 )
 }
 )
 )
 )
)

Harshit Bumb (Appyzie) · Answer

You can add the below piece of code as validation on both the dropdowns - Role and location. 
 if(
 and(
 or(
 count(
 wherecontains(fv!item.role, local!array.role)
 ) > 1,
 count(
 wherecontains(fv!item.Location, local!array.Location)
 ) > 1
 ),
 wherecontains(fv!item.role, local!array.role) = wherecontains(fv!item.Location, local!array.Location)
 ),
 "Combination of role and location should be unique.",
 {}
)

Editable grid validation

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