Setting value in data source bound form control

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Posted on by NoobDaxCoder

Hi there,

I want to change value of a form control based on selection on another form control. Please check the code snippet. Values are fetched, just doesn't pass into the control or gets displayed. Please note, controls are bounded to a Table DS.

public boolean modified()

boolean ret;

CustName cust;

str projinvoiceid;

projinvoiceid = AutoMakLoanHeader_ProjInvoiceProjId.text();
cust = ProjTable::findbyprojinvoice(projinvoiceid).custName();

//AutoMakLoanHeader_CustName.text("TEST");
AutoMakLoanHeader_CustName.text(cust);
AutoMakLoanHeader_CustAccount.text(ProjTable::findbyprojinvoice(projinvoiceid).CustAccount);
element.redraw();

ret = super();

return ret;
}

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Martin Dráb 237,967 Most Valuable Professional on at

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If you work with controls bound to a datasource, you shouldn't read and write values from and to individuasl form controls - you should use the underlying datasource itself. If your datasource is called AutoMakLoanHeader, there is a variable of the same and you get the value of ProjInvoiceProjId field by AutoMakLoanHeader.ProjInvoiceProjId and set the value of CustAccount field by an assignment to AutoMakLoanHeader.CustAccount (e.g. AutoMakLoanHeader.CustAccount = "TEST").

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NoobDaxCoder 6 on at

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Well, I dont value to be writern to DS until Save and Close button is clicked. Without writing to DS, can i not just display values in controls, and insert it into DS later. Like this

vvoid clicked()

{

CustName custName;

CustAccount custAccount;

LoanType loanType;

Amount dealAmount;

DueDate effectiveDate;

YearBase dealPeriod;

Amount profit;

CompanyBankAccountId autoMakBankId;

super();

custName = AutoMakLoanHeader_CustName.text();

custAccount = AutoMakLoanHeader_CustAccount.text();

loanType =AutoMakLoanHeader_LoanType.comboType();

dealAmount = AutoMakLoanHeader_DealAmount.realValue();

dealPeriod = AutoMakLoanHeader_DealPeriod.value();

profit = AutoMakLoanHeader_ProfitRate.realValue();

autoMakBankId = AutoMakLoanHeader_AutoMakBankId.text();

AutoMakLoanHeader.CustName = custName;

AutoMakLoanHeader.CustAccount = custAccount;

AutoMakLoanHeader.LoanType = loanType;

AutoMakLoanHeader.DealAmount = dealAmount;

AutoMakLoanHeader.EffectiveDueDate = effectiveDate;

AutoMakLoanHeader.ProfitRate = profit;

AutoMakLoanHeader.AutoMakBankId = autoMakBankId;

}

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Martin Dráb 237,967 Most Valuable Professional on at

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No, trying to put directly to controls is of no use, if they have a source of data. You must change the source, which is then displayed in all controls bound to the the source.

Note that changing the form datasource object isn't the same thing as saving it to database. That's done by write(), usually when you're leaving the record.

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