Searching for Dataset Does Not Support System Nullable Crystal information? Find all needed info by using official links provided below.
https://stackoverflow.com/questions/6251431/dataset-does-not-support-system-nullable
The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type or method 'System.Nullable<T>' 1 Joining Two DataTables — DataSet does not support System.Nullable<>
https://social.msdn.microsoft.com/forums/en-US/9788f39c-2f3a-489d-8586-e7fc7c429e3b/crystal-does-not-support-systemnullable
Jun 19, 2008 · Crystal Reports does not accept Nullable types at this time. The solution used was to create a clone of the object and remove all nullable types making making sure null values translated into values that the resulting report would process and understand.
https://forums.asp.net/t/1809756.aspx?crystal+report+dataset+does+not+support+System+Nullable
Jun 08, 2012 · Hello guys, in my DB I have a field to be nullable, but crystal report return an error:"dataset does not support System.Nullable"
https://social.msdn.microsoft.com/Forums/vstudio/en-US/795fe49e-a596-4aa5-b7ca-95b4f8170b99/dataset-does-not-support-systemnullable
Oct 05, 2012 · DataSet does not support System.Nullable<> Visual Studio Languages , ... (Crystal Reports for .Net Framework 4 not sure which version). Anyway I have some fields which can have Null values. I handle them using nullable properties like Int32? I handle strings in the Reader:
https://www.codeproject.com/questions/1021140/dataset-does-not-support-system-nullable
You are using LINQ to fetch records and bind list to report. It seems some column value is NULL in linq query which doesn't support dataset in report. In order to resolve your problem please use anonymous type and check null value of columns. Here it is checking null value and assigning some blank value to it.
https://stackoverflow.com/questions/23233295/dataset-does-not-support-system-nullable-in-export
The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type or method 'System.Nullable<T>' 1 Joining Two DataTables — DataSet does not support System.Nullable<>
https://stackoverflow.com/questions/19020453/nullable-types-in-crystal-report
A list of objects of above class (CustomerList) is set in data source of crystal report. rd.SetDataSource(rptSource); In crystal reports i am selecting the same class from database expert using .net Objects. Since i am using nullable variable i am getting the following error: "DataSet does not support System.Nullable<>."
https://answers.sap.com/questions/4838081/crystal-reports-2008-does-not-support-linq-or-null.html
So, while a method is available to pass an IEnumerable, any object passed that does not convert to a DataSet will result in an error being thrown. Bottom line is that until SetDataSource is re-written to work without converting to a DataSet, LINQ will only be supported as long as there are no nullable Foreign Keys or Columns.
https://answers.sap.com/questions/9579739/dataset-does-not-support-systemnullable.html
I use Crystal Reports with Visual Studios 2010 (Crystal Reports for .Net Framework 4 not sure which version). Anyway I have some fields which can have Null values. I handle them using nullable pr
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