// Token: 0x06006539 RID: 25913 RVA: 0x001C68A0 File Offset: 0x001C4AA0
internal static object GetValue(object item, PropertyDescriptor pd, bool useFollowParent)
{
SystemDataExtensionMethods systemDataExtensionMethods = AssemblyHelper.ExtensionsForSystemData(false);
if (systemDataExtensionMethods == null)
{
return(null);
}
return(systemDataExtensionMethods.GetValue(item, pd, useFollowParent));
}
// load the extension class for System.Data
internal static SystemDataExtensionMethods ExtensionsForSystemData(bool force = false)
{
if (_systemDataExtensionMethods == null &&
(force || IsLoaded(UncommonAssembly.System_Data)))
{
_systemDataExtensionMethods = (SystemDataExtensionMethods)LoadExtensionFor("SystemData");
}
return(_systemDataExtensionMethods);
}
// Token: 0x0600653A RID: 25914 RVA: 0x001C68C4 File Offset: 0x001C4AC4
internal static bool DetermineWhetherDBNullIsValid(object item, string columnName, object arg)
{
SystemDataExtensionMethods systemDataExtensionMethods = AssemblyHelper.ExtensionsForSystemData(false);
return(systemDataExtensionMethods != null && systemDataExtensionMethods.DetermineWhetherDBNullIsValid(item, columnName, arg));
}
// Token: 0x06006538 RID: 25912 RVA: 0x001C6880 File Offset: 0x001C4A80
internal static bool IsDataSetCollectionProperty(PropertyDescriptor pd)
{
SystemDataExtensionMethods systemDataExtensionMethods = AssemblyHelper.ExtensionsForSystemData(false);
return(systemDataExtensionMethods != null && systemDataExtensionMethods.IsDataSetCollectionProperty(pd));
}
// Token: 0x06006537 RID: 25911 RVA: 0x001C6860 File Offset: 0x001C4A60
internal static bool IsSqlNullableType(Type type)
{
SystemDataExtensionMethods systemDataExtensionMethods = AssemblyHelper.ExtensionsForSystemData(false);
return(systemDataExtensionMethods != null && systemDataExtensionMethods.IsSqlNullableType(type));
}
// Token: 0x06006536 RID: 25910 RVA: 0x001C6840 File Offset: 0x001C4A40
internal static bool IsSqlNull(object value)
{
SystemDataExtensionMethods systemDataExtensionMethods = AssemblyHelper.ExtensionsForSystemData(false);
return(systemDataExtensionMethods != null && systemDataExtensionMethods.IsSqlNull(value));
}
// Token: 0x06006535 RID: 25909 RVA: 0x001C6820 File Offset: 0x001C4A20
internal static bool IsDataRowView(object item)
{
SystemDataExtensionMethods systemDataExtensionMethods = AssemblyHelper.ExtensionsForSystemData(false);
return(systemDataExtensionMethods != null && systemDataExtensionMethods.IsDataRowView(item));
}
// Token: 0x06006534 RID: 25908 RVA: 0x001C6800 File Offset: 0x001C4A00
internal static bool IsDataView(IBindingList list)
{
SystemDataExtensionMethods systemDataExtensionMethods = AssemblyHelper.ExtensionsForSystemData(false);
return(systemDataExtensionMethods != null && systemDataExtensionMethods.IsDataView(list));
}
// ADO DataSet exposes some properties that cause problems involving
// identity and change notifications. We handle these specially.
internal static bool IsDataSetCollectionProperty(PropertyDescriptor pd)
{
SystemDataExtensionMethods extensions = AssemblyHelper.ExtensionsForSystemData();
return((extensions != null) ? extensions.IsDataSetCollectionProperty(pd) : false);
}
// Intercept GetValue calls for certain ADO properties
internal static object GetValue(object item, PropertyDescriptor pd, bool useFollowParent)
{
SystemDataExtensionMethods extensions = AssemblyHelper.ExtensionsForSystemData();
return((extensions != null) ? extensions.GetValue(item, pd, useFollowParent) : null);
}
// return true if the type is nullable in the SqlTypes sense
internal static bool IsSqlNullableType(Type type)
{
SystemDataExtensionMethods extensions = AssemblyHelper.ExtensionsForSystemData();
return((extensions != null) ? extensions.IsSqlNullableType(type) : false);
}
// return true if the value is null in the SqlTypes sense
internal static bool IsSqlNull(object value)
{
SystemDataExtensionMethods extensions = AssemblyHelper.ExtensionsForSystemData();
return((extensions != null) ? extensions.IsSqlNull(value) : false);
}
// return true if the item is a DataRowView
internal static bool IsDataRowView(object item)
{
SystemDataExtensionMethods extensions = AssemblyHelper.ExtensionsForSystemData();
return((extensions != null) ? extensions.IsDataRowView(item) : false);
}
// return true if the list is a DataView
internal static bool IsDataView(IBindingList list)
{
SystemDataExtensionMethods extensions = AssemblyHelper.ExtensionsForSystemData();
return((extensions != null) ? extensions.IsDataView(list) : false);
}
// load the extension class for System.Data
internal static SystemDataExtensionMethods ExtensionsForSystemData(bool force=false)
{
if (_systemDataExtensionMethods == null &&
(force || IsLoaded(UncommonAssembly.System_Data)))
{
_systemDataExtensionMethods = (SystemDataExtensionMethods)LoadExtensionFor("SystemData");
}
return _systemDataExtensionMethods;
}
