In Editable grid i need to add add row link in that i am getting error

Question

a!localVariables(
 local!pagingInfo: a!pagingInfo(
 startIndex: 1,
 batchSize: 20 
 ),
 local!gridData: a!queryEntity(
 entity: cons!BQA_Quiz_Cons,
 query: a!query(
 pagingInfo: local!pagingInfo
 ),
 fetchTotalCount: true
 ),
 a!formLayout(
 label: "Example: Add,Update, or Remove Employee Data",
 contents: {
 a!gridLayout(
 
 headerCells: {

 a!gridLayoutHeaderCell(label: "Chapter Name"),
 a!gridLayoutHeaderCell(label: "File Upload"),
 a!gridLayoutHeaderCell(label: "Description"),
 a!gridLayoutHeaderCell(label: "Total Questions")
 },

 columnConfigs: {

 a!gridLayoutColumnConfig(width: "DISTRIBUTE", weight:3 ),
 a!gridLayoutColumnConfig(width: "DISTRIBUTE", weight:3 ),
 a!gridLayoutColumnConfig(width: "DISTRIBUTE", weight:3 ),
 a!gridLayoutColumnConfig(width: "DISTRIBUTE", weight:3 )

 },
 rows: a!forEach(
 items: local!gridData,
 expression: a!gridRowLayout(
 contents: {


 a!textField(
 label: "chapterName" & fv!index,
 value: fv!item.chapterName,
 saveInto: fv!item.chapterName,
 required: true
 ),

 a!fileUploadField(
 label: "fileUpload" & fv!index,
 value: fv!item.fileUpload,
 saveInto: fv!item.fileUpload,
 required:true
 ),
 a!textField(
 label: "totalQuestion" & fv!index,
 value: fv!item.totalQuestion,
 saveInto: fv!item.totalQuestion,
 required:true
 ),

 a!textField(
 label: "description" & fv!index,
 value: fv!item.description,
 saveInto: fv!item.description,
 required:true
 ),
 },
 id: fv!index
 )
 ),
 addRowlink: a!dynamicLink(
 label: "Add Employee",

 value: {
 chapterName: "",
 fileUpload: {},
 totalQuestion: "",
 description: ""
 },
 saveInto: {
 a!save(local!gridData, append(local!gridData, save!value))
 }
 ),
 rowHeader: 1
 )
 },
 buttons: a!buttonLayout(
 primaryButtons: a!buttonWidget(
 label: "Submit",
 submit: true
 )
 )
 )
) in this code when clicking add employee i am getting this error how to resolve this

Stefan Helzle · Accepted Answer

Something in the line with this. 
 local!gridData: cast(
 a!listType(type!YOUR_CDT),
 a!queryEntity(
 entity: cons!BQA_Quiz_Cons,
 query: a!query(
 pagingInfo: local!pagingInfo
 ),
 fetchTotalCount: true
 ).data,
) 
 Now, your local gridData keeps a consistent data type and the append will not break it. 
 What you did is, in that local, you stored a datasubset return by the query. Then you turned that into a list by appending a CDT type item. Now that local contains two items, a datasubset and a CDT item. Now, the foreach tries to iterate in these items what break the field references inside the rowlayout fields.

Stefan Helzle · Answer

As you are using queryEntity, you need to use CDT types. 
 But your mistake is, that you create an item instead of referencing the data type in line 7. Remove the emphasis after the type.

Konduru Chaitanya · Answer

Hello balamanchari murugadas 
 You need to define the type! of your CDT before you define your fields, 
 a!dynamicLink(
 label: "Add Employee",
 value: type!CDT_NAME(
 chapterName: "",
 fileUpload: {},
 totalQuestion: "",
 description: ""
 ),
 saveInto: {
 a!save(
 local!gridData,
 append(local!gridData, save!value)
 )
 }
),

DaisyManmohan5ingh · Answer

Try To Cast Using a Loop it will take case of you dataset.

In Editable grid i need to add add row link in that i am getting error

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