public void LoadFromFile(string path)
{
Reset();
CurrentReportMeta = ReportMeta.LoadFromFile(path);
LocalReport.ReportPath = path;
RefreshReport();
}
public void LoadFromResource(string name, Assembly assembly = null)
{
Reset();
CurrentReportMeta = ReportMeta.LoadFromResource(name, assembly);
LocalReport.ReportEmbeddedResource = name;
RefreshReport();
}
public void Reset()
{
if (CurrentReportMeta != null)
{
CurrentReportMeta.Dispose();
CurrentReportMeta = null;
}
ReportViewer.Reset();
}
public void Initialize(RdlDataSource dataSourceElement, ReportMeta reportMeta)
{
DataSourceElement = dataSourceElement;
ReportMeta = reportMeta;
IsTransactional = LocalReportsEngineCommon.StringToBool(dataSourceElement.Transaction);
string factoryName;
lock (DbFactoryNames)
if (!DbFactoryNames.TryGetValue(dataSourceElement.ConnectionProperties.DataProvider, out factoryName))
{
throw new ArgumentOutOfRangeException("dataSourceElement",
"ConnectionProperties.DataProvider is unknown");
}
var providerFactory = DbProviderFactories.GetFactory(factoryName);
var connectionString = CreateConnectionString(dataSourceElement, providerFactory);
AdHocConnection = CreateConnection(providerFactory, connectionString);
TransactionConnection = IsTransactional ? CreateConnection(providerFactory, connectionString) : null;
}
public static object PhraseToValue(ReportMeta reportMeta, RdlDataTypeEnum dataType, string phrase)
{
string expression;
if (IsExpression(phrase, out expression))
{
return(reportMeta.ReportExpressionEvaluator.Evaluate(expression));
}
switch (dataType)
{
case RdlDataTypeEnum.String:
return(phrase);
case RdlDataTypeEnum.Boolean:
return(Boolean.Parse(phrase));
case RdlDataTypeEnum.Integer:
return(Int32.Parse(phrase));
case RdlDataTypeEnum.DateTime:
return(DateTime.Parse(phrase, CultureInfo.GetCultureInfo("en-US")));
case RdlDataTypeEnum.Float:
return(Single.Parse(phrase));
case RdlDataTypeEnum.Binary:
throw new NotImplementedException();
case RdlDataTypeEnum.Variant:
return(phrase);
case RdlDataTypeEnum.VariantArray:
throw new NotImplementedException();
default:
throw new ArgumentOutOfRangeException("dataType");
}
}
internal static ReportParameter ElementToObject(RdlReportParameter reportParameterElement, ReportMeta reportMeta)
{
if (reportParameterElement == null)
{
throw new ArgumentNullException("reportParameterElement");
}
if (reportMeta == null)
{
throw new ArgumentNullException("reportMeta");
}
var reportParameter = new ReportParameter();
reportParameter.DataType = StringToDataTypeEnum(reportParameterElement.DataType);
reportParameter.MultiValue = StringToBool(reportParameterElement.MultiValue);
// Load available values
var validValues = reportParameterElement.ValidValues;
if (validValues != null)
{
var parameterValues = validValues.ParameterValues;
var dataSetReference = validValues.DataSetReference;
// Explicit list
if (parameterValues != null)
{
var values = from parameterValue in parameterValues
select new Tuple <string, object>(
parameterValue.Label,
PhraseToValue(reportMeta, reportParameter.DataType, parameterValue.Value));
reportParameter.AvailableValues = values.ToArray();
}
else if (dataSetReference != null)
{
// TODO: Datasets etc
throw new NotImplementedException();
}
}
// Load default values
var defaultValues = reportParameterElement.DefaultValue;
if (defaultValues != null)
{
var values = defaultValues.Values;
var dataSetReference = defaultValues.DataSetReference;
// Explicit list
if (values != null)
{
reportParameter.DefaultValues = (from value in values
select PhraseToValue(reportMeta, reportParameter.DataType, value)).ToArray();
}
else if (dataSetReference != null)
{
// TODO: Datasets etc
throw new NotImplementedException();
}
}
return(reportParameter);
}
internal static IResolvedDataSource ElementToObject(RdlDataSource dataSourceElement, ReportMeta reportMeta)
{
if (dataSourceElement.ConnectionProperties == null)
{
// Probably a data source reference. The user should resolve these themselves.
// But if not, give them a null object. If it's never referenced, there's no problem.
return(null);
}
if (dataSourceElement.ConnectionProperties == null)
{
// Again, if there's no connection string the user should have resolved
// this data source themselves. But if not, give them a null object.
return(null);
}
Type resolverType;
lock (DataSourceResolvers)
if (!DataSourceResolvers.TryGetValue(dataSourceElement.ConnectionProperties.DataProvider, out resolverType))
{
return(null);
}
IResolvedDataSource resolved = null;
try
{
resolved = (IResolvedDataSource)Activator.CreateInstance(resolverType);
resolved.Initialize(dataSourceElement, reportMeta);
}
catch (Exception)
{
if (resolved != null)
{
resolved.Dispose();
}
throw;
}
return(resolved);
}
public void Initialize(RdlDataSource dataSourceElement, ReportMeta reportMeta)
{
DataSourceElement = dataSourceElement;
ReportMeta = reportMeta;
IsTransactional = LocalReportsEngineCommon.StringToBool(dataSourceElement.Transaction);
string factoryName;
lock (DbFactoryNames)
if (!DbFactoryNames.TryGetValue(dataSourceElement.ConnectionProperties.DataProvider, out factoryName))
throw new ArgumentOutOfRangeException("dataSourceElement",
"ConnectionProperties.DataProvider is unknown");
var providerFactory = DbProviderFactories.GetFactory(factoryName);
var connectionString = CreateConnectionString(dataSourceElement, providerFactory);
AdHocConnection = CreateConnection(providerFactory, connectionString);
TransactionConnection = IsTransactional ? CreateConnection(providerFactory, connectionString) : null;
}
public static object PhraseToValue(ReportMeta reportMeta, RdlDataTypeEnum dataType, string phrase)
{
string expression;
if (IsExpression(phrase, out expression))
return reportMeta.ReportExpressionEvaluator.Evaluate(expression);
switch(dataType)
{
case RdlDataTypeEnum.String:
return phrase;
case RdlDataTypeEnum.Boolean:
return Boolean.Parse(phrase);
case RdlDataTypeEnum.Integer:
return Int32.Parse(phrase);
case RdlDataTypeEnum.DateTime:
return DateTime.Parse(phrase, CultureInfo.GetCultureInfo("en-US"));
case RdlDataTypeEnum.Float:
return Single.Parse(phrase);
case RdlDataTypeEnum.Binary:
throw new NotImplementedException();
case RdlDataTypeEnum.Variant:
return phrase;
case RdlDataTypeEnum.VariantArray:
throw new NotImplementedException();
default:
throw new ArgumentOutOfRangeException("dataType");
}
}
internal static IResolvedDataSource ElementToObject(RdlDataSource dataSourceElement, ReportMeta reportMeta)
{
if (dataSourceElement.ConnectionProperties == null)
// Probably a data source reference. The user should resolve these themselves.
// But if not, give them a null object. If it's never referenced, there's no problem.
return null;
if (dataSourceElement.ConnectionProperties == null)
// Again, if there's no connection string the user should have resolved
// this data source themselves. But if not, give them a null object.
return null;
Type resolverType;
lock (DataSourceResolvers)
if (!DataSourceResolvers.TryGetValue(dataSourceElement.ConnectionProperties.DataProvider, out resolverType))
return null;
IResolvedDataSource resolved = null;
try
{
resolved = (IResolvedDataSource) Activator.CreateInstance(resolverType);
resolved.Initialize(dataSourceElement, reportMeta);
}
catch (Exception)
{
if (resolved != null)
resolved.Dispose();
throw;
}
return resolved;
}
internal static ReportParameter ElementToObject(RdlReportParameter reportParameterElement, ReportMeta reportMeta)
{
if (reportParameterElement == null) throw new ArgumentNullException("reportParameterElement");
if (reportMeta == null) throw new ArgumentNullException("reportMeta");
var reportParameter = new ReportParameter();
reportParameter.DataType = StringToDataTypeEnum(reportParameterElement.DataType);
reportParameter.MultiValue = StringToBool(reportParameterElement.MultiValue);
// Load available values
var validValues = reportParameterElement.ValidValues;
if (validValues != null)
{
var parameterValues = validValues.ParameterValues;
var dataSetReference = validValues.DataSetReference;
// Explicit list
if (parameterValues != null)
{
var values = from parameterValue in parameterValues
select new Tuple<string, object>(
parameterValue.Label,
PhraseToValue(reportMeta, reportParameter.DataType, parameterValue.Value));
reportParameter.AvailableValues = values.ToArray();
}
else if(dataSetReference != null)
{
// TODO: Datasets etc
throw new NotImplementedException();
}
}
// Load default values
var defaultValues = reportParameterElement.DefaultValue;
if (defaultValues != null)
{
var values = defaultValues.Values;
var dataSetReference = defaultValues.DataSetReference;
// Explicit list
if (values != null)
{
reportParameter.DefaultValues = (from value in values
select PhraseToValue(reportMeta, reportParameter.DataType, value)).ToArray();
}
else if (dataSetReference != null)
{
// TODO: Datasets etc
throw new NotImplementedException();
}
}
return reportParameter;
}
