private bool HasAlternateKeysToProcess(DataTable datatable, string alternateKeyName)
{
if (datatable != null && datatable.Rows.Count == 1)
{
// Get the Oid associated to the row and check if it has alternate key.
Oid oid = ServerConnection.GetOid(datatable, datatable.Rows[0], alternateKeyName);
Oid alternateKey = (Oid)oid.GetAlternateKey(alternateKeyName);
if (alternateKey != null)
{
foreach (IOidField oidField in alternateKey.Fields)
{
if (datatable.Columns[oidField.Name] == null)
{
// If any field is null, it is considered that there is not alternate key.
return(false);
}
}
return(true);
}
}
return(false);
}
/// <summary>
/// Validates the format and null allowed of the filter variables
/// </summary>
/// <returns></returns>
protected bool CheckNullAndFormatFilterVariablesValues()
{
bool lResult = true;
object[] lArgs = new object[1];
// Control the null - not null allowed for all the filter variables arguments.
foreach (ArgumentController lFilterVariable in InputFields)
{
// Argument data-valued validation.
ArgumentDVController lFilterVariableDV = lFilterVariable as ArgumentDVController;
if ((lFilterVariableDV != null) && (lFilterVariableDV.Editor != null))
{
lArgs[0] = lFilterVariable.Alias;
lResult = lResult & lFilterVariableDV.Editor.Validate(CultureManager.TranslateStringWithParams(LanguageConstantKeys.L_VALIDATION_NECESARY, LanguageConstantValues.L_VALIDATION_NECESARY, lArgs));
}
// Argument object-valued validation.
else
{
ArgumentOVController lFilterVariableOV = lFilterVariable as ArgumentOVController;
if (lFilterVariableOV != null)
{
List <Object> lEditorFields = new List <object>();
foreach (IEditorPresentation lEditor in lFilterVariableOV.Editors)
{
if (lEditor != null)
{
lArgs[0] = lFilterVariable.Alias;
// Shows the validation error only for the last editor field.
lResult = lResult & lEditor.Validate(CultureManager.TranslateStringWithParams(LanguageConstantKeys.L_VALIDATION_NECESARY, LanguageConstantValues.L_VALIDATION_NECESARY, lArgs));
if (lEditor.Value != null)
{
// Fill the auxiliar list of values, in order to check if the Alternate Key is valid.
lEditorFields.Add(lEditor.Value);
}
}
}
// If the OV filter variable has to work with an Alternate Key, check that the values specified
// in the editors are valid (It exist an instance that mach with this Alternate Key).
if (lFilterVariableOV.AlternateKeyName != string.Empty && lFilterVariableOV.Editors.Count == lEditorFields.Count)
{
Oid lOid = Oid.Create(lFilterVariableOV.Domain);
AlternateKey lAlternateKey = (AlternateKey)lOid.GetAlternateKey(lFilterVariableOV.AlternateKeyName);
lAlternateKey.SetValues(lEditorFields);
// Check if the Alternate Key is a valid one.
Oid lResultOid = Logic.GetOidFromAlternateKey(lAlternateKey, lFilterVariableOV.AlternateKeyName);
// If the Oid is not found, it is because the Alternate Key is not a valid one.
if (lResultOid == null)
{
ScenarioManager.LaunchErrorScenario(new Exception(CultureManager.TranslateString(LanguageConstantKeys.L_ERROR_NO_EXIST_INSTANCE, LanguageConstantValues.L_ERROR_NO_EXIST_INSTANCE)));
return(false);
}
}
}
}
}
return(lResult);
}
