private CriterionItem GetValidCriterionItem()
{
Field field = (Field)cbField.SelectedItem;
Op Op = (Op)cbOperator.SelectedItem;
string FValue = txtValue.Text;
conjuction cj;
string FieldType = field.Type;
if (criteriaBuilder.IsFirstItem())
{
cj = conjuction.nil;
}
else
{
if (rbAnd.Checked)
{
cj = conjuction.and;
}
else
{
cj = conjuction.or;
}
}
switch (FieldType.ToLower())
{
case "string":
FValue = string.Format("{0}", FValue);
break;
case "decimal":
decimal d;
if (!decimal.TryParse(FValue, out d))
{
lblMessage.Text = "Please enter a number in the field value";
return(null);
}
break;
case "date":
DateTime dd;
if (!DateTime.TryParse(FValue, out dd))
{
lblMessage.Text = "Please enter a date in the field value";
return(null);
}
FValue = string.Format("{0}", FValue); //do a date format
break;
case "like":
FValue = string.Format("{0}", FValue);
break;
}
//clean. no error
Criterion cr = new Criterion(cj, field.Name, Op, FValue);
return(new CriterionItem("index" + index, cr));
}