TrueFalseAutoEnum _UsedInQuery; // Enum True | False | Auto (default)
// Indicates whether or not the parameter is
// used in a query in the report. This is
// needed to determine if the queries need
// to be re-executed if the parameter
// changes. Auto indicates the
// UsedInQuery setting should be
// autodetected as follows: True if the
// parameter is referenced in any query
// value expression.
internal ReportParameter(ReportDefn r, ReportLink p, XmlNode xNode) : base(r, p)
{
_Name=null;
_dt = TypeCode.Object;
_Nullable = false;
_DefaultValue=null;
_AllowBlank=false;
_Prompt=null;
_ValidValues=null;
_UsedInQuery = TrueFalseAutoEnum.Auto;
// Run thru the attributes
foreach(XmlAttribute xAttr in xNode.Attributes)
{
switch (xAttr.Name)
{
case "Name":
_Name = new Name(xAttr.Value);
break;
}
}
// Loop thru all the child nodes
foreach(XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
continue;
switch (xNodeLoop.Name)
{
case "DataType":
_dt = DataType.GetStyle(xNodeLoop.InnerText, this.OwnerReport);
_NumericType = DataType.IsNumeric(_dt);
break;
case "Nullable":
_Nullable = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
break;
case "DefaultValue":
_DefaultValue = new DefaultValue(r, this, xNodeLoop);
break;
case "AllowBlank":
_AllowBlank = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
break;
case "Prompt":
_Prompt = xNodeLoop.InnerText;
break;
case "Hidden":
_Hidden = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
OwnerReport.rl.LogError(4, "ReportParameter element Hidden is currently ignored."); // TODO
break;
case "MultiValue":
_MultiValue = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
break;
case "ValidValues":
_ValidValues = new ValidValues(r, this, xNodeLoop);
break;
case "UsedInQuery":
_UsedInQuery = TrueFalseAuto.GetStyle(xNodeLoop.InnerText, OwnerReport.rl);
break;
default:
// don't know this element - log it
OwnerReport.rl.LogError(4, "Unknown ReportParameter element '" + xNodeLoop.Name + "' ignored.");
break;
}
}
if (_Name == null)
OwnerReport.rl.LogError(8, "ReportParameter name is required but not specified.");
if (_dt == TypeCode.Object)
OwnerReport.rl.LogError(8, string.Format("ReportParameter DataType is required but not specified or invalid for {0}.", _Name==null? "<unknown name>": _Name.Nm));
}
ValidValues _ValidValues; // Possible values for the parameter (for an
#endregion Fields
#region Constructors
// Indicates whether or not the parameter is
// used in a query in the report. This is
// needed to determine if the queries need
// to be re-executed if the parameter
// changes. Auto indicates the
// UsedInQuery setting should be
// autodetected as follows: True if the
// parameter is referenced in any query
// value expression.
internal ReportParameter(ReportDefn r, ReportLink p, XmlNode xNode)
: base(r, p)
{
_Name=null;
_dt = TypeCode.Object;
_Nullable = false;
_DefaultValue=null;
_AllowBlank=false;
_Prompt=null;
_ValidValues=null;
_UsedInQuery = TrueFalseAutoEnum.Auto;
// Run thru the attributes
foreach(XmlAttribute xAttr in xNode.Attributes)
{
switch (xAttr.Name)
{
case "Name":
_Name = new Name(xAttr.Value);
break;
}
}
// Loop thru all the child nodes
foreach(XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
continue;
switch (xNodeLoop.Name)
{
case "DataType":
_dt = DataType.GetStyle(xNodeLoop.InnerText, this.OwnerReport);
_NumericType = DataType.IsNumeric(_dt);
break;
case "Nullable":
_Nullable = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
break;
case "DefaultValue":
_DefaultValue = new DefaultValue(r, this, xNodeLoop);
break;
case "AllowBlank":
_AllowBlank = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
break;
case "Prompt":
_Prompt = xNodeLoop.InnerText;
break;
case "Hidden":
_Hidden = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
OwnerReport.rl.LogError(4, "ReportParameter element Hidden is currently ignored."); // TODO
break;
case "MultiValue":
_MultiValue = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
break;
case "ValidValues":
_ValidValues = new ValidValues(r, this, xNodeLoop);
break;
case "UsedInQuery":
_UsedInQuery = TrueFalseAuto.GetStyle(xNodeLoop.InnerText, OwnerReport.rl);
break;
default:
// don't know this element - log it
OwnerReport.rl.LogError(4, "Unknown ReportParameter element '" + xNodeLoop.Name + "' ignored.");
break;
}
}
if (_Name == null)
OwnerReport.rl.LogError(8, "ReportParameter name is required but not specified.");
if (_dt == TypeCode.Object)
OwnerReport.rl.LogError(8, string.Format("ReportParameter DataType is required but not specified or invalid for {0}.", _Name==null? "<unknown name>": _Name.Nm));
}