internal Row(Rows r, int columnCount)
{
_R = r;
_Data = new object[columnCount];
_Level = 0;
}
object[] _Data; // Row of data
internal Row(Rows r, Row rd) // Constructor that uses existing Row data
{
_R = r;
_Data = rd.Data;
_Level = rd.Level;
}
internal void SetData(Report rpt, XmlDocument xmlDoc, Fields flds, Filters f)
{
if (xmlDoc == null) // Does user want to remove user data?
{
SetMyUserData(rpt, null);
return;
}
Rows rows = new Rows(rpt, null, null, null); // no sorting and grouping at base data
XmlNode xNode;
xNode = xmlDoc.LastChild;
if (xNode == null || !(xNode.Name == "Rows" || xNode.Name == "fyi:Rows"))
{
throw new Exception("XML Data must contain top level element Rows.");
}
List <Row> ar = new List <Row>();
rows.Data = ar;
int rowCount = 0;
int fieldCount = flds.Items.Count;
foreach (XmlNode xNodeRow in xNode.ChildNodes)
{
if (xNodeRow.NodeType != XmlNodeType.Element)
{
continue;
}
if (xNodeRow.Name != "Row")
{
continue;
}
Row or = new Row(rows, fieldCount);
foreach (XmlNode xNodeColumn in xNodeRow.ChildNodes)
{
Field fld = (Field)(flds.Items[xNodeColumn.Name]); // Find the column
if (fld == null)
{
continue; // Extraneous data is ignored
}
if (xNodeColumn.InnerText == null || xNodeColumn.InnerText.Length == 0)
{
or.Data[fld.ColumnNumber] = null;
}
else if (fld.Type == TypeCode.String)
{
or.Data[fld.ColumnNumber] = xNodeColumn.InnerText;
}
else
{
try
{
or.Data[fld.ColumnNumber] =
Convert.ChangeType(xNodeColumn.InnerText, fld.Type, NumberFormatInfo.InvariantInfo);
}
catch // all conversion errors result in a null value
{
or.Data[fld.ColumnNumber] = null;
}
}
}
// Apply the filters
if (f == null || f.Apply(rpt, or))
{
or.RowNumber = rowCount; //
rowCount++;
ar.Add(or);
}
}
ar.TrimExcess(); // free up any extraneous space; can be sizeable for large # rows
if (f != null)
{
f.ApplyFinalFilters(rpt, rows, false);
}
SetMyUserData(rpt, rows);
}
internal void SetData(Report rpt, IEnumerable ie, Fields flds, Filters f)
{
if (ie == null) // Does user want to remove user data?
{
SetMyUserData(rpt, null);
return;
}
Rows rows = new Rows(rpt, null, null, null); // no sorting and grouping at base data
List <Row> ar = new List <Row>();
rows.Data = ar;
int rowCount = 0;
int maxRows = _RowLimit > 0? _RowLimit: int.MaxValue;
int fieldCount = flds.Items.Count;
foreach (object dt in ie)
{
// Get the type.
Type myType = dt.GetType();
// Build the row
Row or = new Row(rows, fieldCount);
// Go thru each field and try to obtain a value
foreach (Field fld in flds)
{
// Get the type and fields of FieldInfoClass.
FieldInfo fi = myType.GetField(fld.Name.Nm, BindingFlags.Instance | BindingFlags.Public);
if (fi != null)
{
or.Data[fld.ColumnNumber] = fi.GetValue(dt);
}
else
{
// Try getting it as a property as well
PropertyInfo pi = myType.GetProperty(fld.Name.Nm, BindingFlags.Instance | BindingFlags.Public);
if (pi != null)
{
or.Data[fld.ColumnNumber] = pi.GetValue(dt, null);
}
}
}
// Apply the filters
if (f == null || f.Apply(rpt, or))
{
or.RowNumber = rowCount; //
rowCount++;
ar.Add(or);
}
if (--maxRows <= 0) // don't retrieve more than max
{
break;
}
}
ar.TrimExcess(); // free up any extraneous space; can be sizeable for large # rows
if (f != null)
{
f.ApplyFinalFilters(rpt, rows, false);
}
SetMyUserData(rpt, rows);
}
// Obtain the data from the XML
internal bool GetData(Report rpt, string xmlData, Fields flds, Filters f)
{
Rows uData = this.GetMyUserData(rpt);
if (uData != null)
{
this.SetMyData(rpt, uData);
return(uData.Data == null || uData.Data.Count == 0? false: true);
}
int fieldCount = flds.Items.Count;
XmlDocument doc = new XmlDocument();
doc.PreserveWhitespace = false;
doc.LoadXml(xmlData);
XmlNode xNode;
xNode = doc.LastChild;
if (xNode == null || !(xNode.Name == "Rows" || xNode.Name == "fyi:Rows"))
{
throw new Exception("Error: XML Data must contain top level rows.");
}
Rows _Data = new Rows(rpt, null, null, null);
List <Row> ar = new List <Row>();
_Data.Data = ar;
int rowCount = 0;
foreach (XmlNode xNodeRow in xNode.ChildNodes)
{
if (xNodeRow.NodeType != XmlNodeType.Element)
{
continue;
}
if (xNodeRow.Name != "Row")
{
continue;
}
Row or = new Row(_Data, fieldCount);
foreach (XmlNode xNodeColumn in xNodeRow.ChildNodes)
{
Field fld = (Field)(flds.Items[xNodeColumn.Name]); // Find the column
if (fld == null)
{
continue; // Extraneous data is ignored
}
TypeCode tc = fld.qColumn != null? fld.qColumn.colType: fld.Type;
if (xNodeColumn.InnerText == null || xNodeColumn.InnerText.Length == 0)
{
or.Data[fld.ColumnNumber] = null;
}
else if (tc == TypeCode.String)
{
or.Data[fld.ColumnNumber] = xNodeColumn.InnerText;
}
else if (tc == TypeCode.DateTime)
{
try
{
or.Data[fld.ColumnNumber] =
Convert.ToDateTime(xNodeColumn.InnerText,
System.Globalization.DateTimeFormatInfo.InvariantInfo);
}
catch // all conversion errors result in a null value
{
or.Data[fld.ColumnNumber] = null;
}
}
else
{
try
{
or.Data[fld.ColumnNumber] =
Convert.ChangeType(xNodeColumn.InnerText, tc, NumberFormatInfo.InvariantInfo);
}
catch // all conversion errors result in a null value
{
or.Data[fld.ColumnNumber] = null;
}
}
}
// Apply the filters
if (f == null || f.Apply(rpt, or))
{
or.RowNumber = rowCount; //
rowCount++;
ar.Add(or);
}
}
ar.TrimExcess(); // free up any extraneous space; can be sizeable for large # rows
if (f != null)
{
f.ApplyFinalFilters(rpt, _Data, false);
}
SetMyData(rpt, _Data);
return(_Data == null || _Data.Data == null || _Data.Data.Count == 0 ? false : true);
}
internal bool GetData(Report rpt, Fields flds, Filters f)
{
Rows uData = this.GetMyUserData(rpt);
if (uData != null)
{
this.SetMyData(rpt, uData);
return(uData.Data == null || uData.Data.Count == 0 ? false : true);
}
// Treat this as a SQL statement
DataSourceDefn ds = _DataSourceDefn;
if (ds == null || _CommandText == null)
{
this.SetMyData(rpt, null);
return(false);
}
IDbConnection cnSQL = ds.SqlConnect(rpt);
if (cnSQL == null)
{
this.SetMyData(rpt, null);
return(false);
}
Rows _Data = new Rows(rpt, null, null, null); // no sorting and grouping at base data
String sql = _CommandText.EvaluateString(rpt, null);
IDbCommand cmSQL = null;
IDataReader dr = null;
try
{
cmSQL = cnSQL.CreateCommand();
cmSQL.CommandText = AddParametersAsLiterals(rpt, cnSQL, sql, true);
if (this._QueryCommandType == QueryCommandTypeEnum.StoredProcedure)
{
cmSQL.CommandType = CommandType.StoredProcedure;
}
if (this._Timeout > 0)
{
cmSQL.CommandTimeout = this._Timeout;
}
AddParameters(rpt, cnSQL, cmSQL, true);
dr = cmSQL.ExecuteReader(CommandBehavior.SingleResult);
List <Row> ar = new List <Row>();
_Data.Data = ar;
int rowCount = 0;
int maxRows = _RowLimit > 0? _RowLimit: int.MaxValue;
int fieldCount = flds.Items.Count;
// Determine the query column number for each field
int[] qcn = new int[flds.Items.Count];
foreach (Field fld in flds)
{
qcn[fld.ColumnNumber] = -1;
if (fld.Value != null)
{
continue;
}
try
{
qcn[fld.ColumnNumber] = dr.GetOrdinal(fld.DataField);
}
catch
{
qcn[fld.ColumnNumber] = -1;
}
}
while (dr.Read())
{
Row or = new Row(_Data, fieldCount);
foreach (Field fld in flds)
{
if (qcn[fld.ColumnNumber] != -1)
{
or.Data[fld.ColumnNumber] = dr.GetValue(qcn[fld.ColumnNumber]);
}
}
// Apply the filters
if (f == null || f.Apply(rpt, or))
{
or.RowNumber = rowCount; //
rowCount++;
ar.Add(or);
}
if (--maxRows <= 0) // don't retrieve more than max
{
break;
}
}
ar.TrimExcess(); // free up any extraneous space; can be sizeable for large # rows
if (f != null)
{
f.ApplyFinalFilters(rpt, _Data, false);
}
//#if DEBUG
// rpt.rl.LogError(4, "Rows Read:" + ar.Count.ToString() + " SQL:" + sql );
//#endif
}
catch (Exception e)
{
rpt.rl.LogError(8, "SQL Exception" + e.Message + "\r\n" + e.StackTrace);
}
finally
{
if (cmSQL != null)
{
cmSQL.Dispose();
if (dr != null)
{
dr.Close();
}
}
}
this.SetMyData(rpt, _Data);
return(_Data == null || _Data.Data == null || _Data.Data.Count == 0 ? false : true);
}
