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Posted to issues@royale.apache.org by GitBox <gi...@apache.org> on 2020/09/17 09:26:48 UTC
[GitHub] [royale-asjs] pashminakazi commented on issue #909: Uncaught TypeError: Cannot read property 'length' of undefined (SingleSelectionIListModel.js:156)

pashminakazi commented on issue #909:
URL: https://github.com/apache/royale-asjs/issues/909#issuecomment-694112780


   i have added a check in DropDownListBase's get and set DataProvider
   when i open dbzProductLedger the debugger goes to get DataProvider
   
   ```
   if(dataProvider == null) 
      trace("dataprovider is null" + dataProvider);
   }
   ```
   ![image](https://user-images.githubusercontent.com/42200979/93451611-d655ad00-f8f0-11ea-8358-890f3e21dad0.png)
   ![image](https://user-images.githubusercontent.com/42200979/93451628-dce42480-f8f0-11ea-8b04-91e64e11b9ef.png)
   
   this.dataprovider
   Message : maximum call stack size exceeded
   Stack : "RangeError: Maximum call stack size exceeded
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:35:88)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)
       at spark.components.DropDownList.spark.components.supportClasses.DropDownListBase.get__dataProvider (http://localhost:8080/SHMA/spark/components/supportClasses/DropDownListBase.js:36:12)"
   
   
   
   value is : 
   ![image](https://user-images.githubusercontent.com/42200979/93452003-5419b880-f8f1-11ea-9ba8-ad69edb160fe.png)
   
   ![image](https://user-images.githubusercontent.com/42200979/93452376-c7232f00-f8f1-11ea-8834-8ee6d0e52509.png)
   
   


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