Questions tagged as 'dataset'

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Can I use several requests in a laravel 5.3 mutators?

I try to save two input in database and I was thinking about doing it with mutators, the fact is that if I modify a field I only manage that value because the $ value that I receive is the one that sends the request, but I need to use something...
asked by 06.04.2018 / 16:29
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Crystal Reports Throw "E_NOINTERFACE" when you report.SetDataSource (ds);

Throw the Exception when creating a Report and pass it a Dataset : DataSet ds = new DataSet(); ds.Tables.Add(tabla); tabla.TableName = "tablename"; Rpt.MyRpt reporte = new Rpt.MyRpt(); reporte.SetDataSource(ds); The exception happe...
asked by 16.11.2017 / 20:28
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how can I change a single value of a DataSet in R?

Assuming we have this DataFrame: How can I change the value of column X in row "BA" ?, I know I can modify the whole row but what I want is to see how it is done since there can be dataFrame of many columns. Thanks     
asked by 31.10.2018 / 22:13
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can not I use the using data directive?

I'm learning C #, I do not know much about IDE, so it can be silly. I needed to create a class library, the "teacher" uses the VS 2015, I use the 2017, he chose the only library of classes that I had, I had several (standard, framework, porta...
asked by 05.06.2018 / 02:27
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Tour a StringGrid and TDBGrid

Dear, I have a problem, I am new to delphi and I want to go through a StirngGrid also a TDBGrid, I would like some suggestion. I am developing a client - server application (DataSnap), but I am not able to reccure the STringGrid, I want to devel...
asked by 10.05.2018 / 23:04
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Problem building data from a DataSet manually C #

I have a dataset that contains a structure of 12 columns and I manually add 3 columns Entrada Parámetro , Salida Parámetro and Parámetro from another dataset , then link it to DataGridView , I am working w...
asked by 15.02.2018 / 20:55
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Problem when deserializing JSON in dataSet

I am trying to deserialize a JSON result towards dataset . When trying to do it I throw the following error:    Additional text found in JSON string after finishing deserializing object. Path '[0].studentID' , line 1, I do not...
asked by 15.08.2018 / 16:56
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Help How to fill a dataSet in javascript?

I have the following line of code var registro1 = [ "1", "Perez", "Lopez", "Luis", "Martin", "22" ]; var registro2 = [ "2", "Gonzales", "Jimenez", "Reyna", "Maria", "18" ]; var registro2 = [ "3", "Rodriguez", "Dominguez", "Luis", "Fernando", "...
asked by 11.07.2018 / 06:12
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How to know if my DataTable, DataSet or DataView contains empty fields and remove them from the table,

I am trying to get the name of the columns of each table of a base in Access and store them in a DataTable inside a DataSet. The name of the columns is the name of each Access table and each column name of each table. The issue here...
asked by 17.12.2018 / 07:27
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How do I format rows (observations), columns (variables) to this file?

I'm thinking how to give the typical dataset format to the 1 next document excell, the only option that has occurred to me is transpose manually in excell, some idea in Excell or R? The idea is to have in each row a neighborhood or district of...
asked by 27.11.2018 / 22:46