BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  TeeChart: Dynamic Series in DBChart          BorlandTalk.com Forum Index -> Delphi Reporting-Charting View previous topic :: View next topic   Author Message JZ Guest Posted: Thu Feb 17, 2005 3:05 pm    Post subject: TeeChart: Dynamic Series in DBChart I have a DBChart for which I need to assign fields to a scatter series dynamically. I assign the database (a TClientDataBase) to the Chart through the interface. Then assign the fields to the X and Y values. However, nothing happens. The chart does not update or anything. Here is the code I am trying. The field name is from a combobox (cbContOutputs.text) and I have checked through a dbgrid, there is data there. ApplyResults.active := true; applyResults.open; Series1.YValues.ValueSource := cbContOutputs.Text; Series1.XValues.ValueSource := 'Pred_'+cbContOutputs.Text; ApplyResults.Close; Any help would be appreciated. Back to top Narcís Calvet Guest Posted: Thu Feb 17, 2005 3:36 pm    Post subject: Re: TeeChart: Dynamic Series in DBChart Hi JZ, Have you tried using Series1.CheckDataSource after populating the series? -- Best Regards, Narcís Calvet http://support.steema.com "Important note: If you are a TeeChart registered customer, please post your support questions at Steema's Support monitored Forums for customers: http://support.steema.com for a prompter reply." "JZ" <ddd> wrote Quote: I have a DBChart for which I need to assign fields to a scatter series dynamically. I assign the database (a TClientDataBase) to the Chart through the interface. Then assign the fields to the X and Y values. However, nothing happens. The chart does not update or anything. Here is the code I am trying. The field name is from a combobox (cbContOutputs.text) and I have checked through a dbgrid, there is data there. ApplyResults.active := true; applyResults.open; Series1.YValues.ValueSource := cbContOutputs.Text; Series1.XValues.ValueSource := 'Pred_'+cbContOutputs.Text; ApplyResults.Close; Any help would be appreciated. Back to top JZ Guest Posted: Thu Feb 17, 2005 4:01 pm    Post subject: Re: TeeChart: Dynamic Series in DBChart Seems reasonable. Help indicates it is the correct thing to do. I tried: DBChart.CheckDataSource(Series1); and Series1.checkdatasource; Both do nothing!!! "Narcís Calvet" <support (AT) steema (DOT) com> wrote Quote: Hi JZ, Have you tried using Series1.CheckDataSource after populating the series? -- Best Regards, Narcís Calvet http://support.steema.com "Important note: If you are a TeeChart registered customer, please post your support questions at Steema's Support monitored Forums for customers: http://support.steema.com for a prompter reply." "JZ" <ddd> wrote I have a DBChart for which I need to assign fields to a scatter series dynamically. I assign the database (a TClientDataBase) to the Chart through the interface. Then assign the fields to the X and Y values. However, nothing happens. The chart does not update or anything. Here is the code I am trying. The field name is from a combobox (cbContOutputs.text) and I have checked through a dbgrid, there is data there. ApplyResults.active := true; applyResults.open; Series1.YValues.ValueSource := cbContOutputs.Text; Series1.XValues.ValueSource := 'Pred_'+cbContOutputs.Text; ApplyResults.Close; Any help would be appreciated. Back to top David Berneda Guest Posted: Thu Feb 17, 2005 11:44 pm    Post subject: Re: TeeChart: Dynamic Series in DBChart Is ApplyResults a dataset / database ? Do you set Series1.DataSource := ApplyResults ? Calling ApplyResults.Close will clear the Series so they will look empty, try to comment this. regards david www.teechart.com "JZ" <ddd> wrote Quote: I have a DBChart for which I need to assign fields to a scatter series dynamically. I assign the database (a TClientDataBase) to the Chart through the interface. Then assign the fields to the X and Y values. However, nothing happens. The chart does not update or anything. Here is the code I am trying. The field name is from a combobox (cbContOutputs.text) and I have checked through a dbgrid, there is data there. ApplyResults.active := true; applyResults.open; Series1.YValues.ValueSource := cbContOutputs.Text; Series1.XValues.ValueSource := 'Pred_'+cbContOutputs.Text; ApplyResults.Close; Any help would be appreciated. Back to top JZ Guest Posted: Fri Feb 18, 2005 1:05 pm    Post subject: Re: TeeChart: Dynamic Series in DBChart Yes! That did it. However, isn't it bad form to leave the database open like that? Is there a way to eventually close it? Thanks, "David Berneda" <david2 (AT) steema (DOT) com> wrote Is ApplyResults a dataset / database ? Do you set Series1.DataSource := ApplyResults ? Calling ApplyResults.Close will clear the Series so they will look empty, try to comment this. regards david www.teechart.com "JZ" <ddd> wrote Quote: I have a DBChart for which I need to assign fields to a scatter series dynamically. I assign the database (a TClientDataBase) to the Chart through the interface. Then assign the fields to the X and Y values. However, nothing happens. The chart does not update or anything. Here is the code I am trying. The field name is from a combobox (cbContOutputs.text) and I have checked through a dbgrid, there is data there. ApplyResults.active := true; applyResults.open; Series1.YValues.ValueSource := cbContOutputs.Text; Series1.XValues.ValueSource := 'Pred_'+cbContOutputs.Text; ApplyResults.Close; Any help would be appreciated. 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