public static T MapSingle <T>(DataTable source) where T : class
{
T returnValue = null;
if (source == null || source.Rows.Count == 0)
{
return(returnValue);
}
PropertyInfo[] properties = typeof(T).GetProperties();
DataRow row = source.Rows[0];
returnValue = (T)Activator.CreateInstance(typeof(T));
#region set properties
foreach (PropertyInfo prop in properties.Where(pi => pi.CanWrite))
{
string sourceColumn = MappingHelpers.GetSourceColumn(prop);
if (sourceColumn != MappingHelpers.DO_NOT_MAP)
{
int col = source.Columns.IndexOf(sourceColumn);
if (col < 0 || row.IsNull(col))
{
continue;
}
MapType <T>(returnValue, row[col], prop);
}
}
#endregion set properties
return(returnValue);
}
public static T MapSingle <T>(SqlDataReader source) where T : class
{
T returnValue = null;
if (source == null || !source.HasRows)
{
return(returnValue);
}
IEnumerable <PropertyInfo> properties = typeof(T).GetProperties();
if (properties != null && properties.Count() > 0)
{
properties = properties.Where(pi => pi.CanWrite);
}
if (source.Read())
{
returnValue = (T)Activator.CreateInstance(typeof(T));
#region set properties
foreach (PropertyInfo prop in properties)
{
try
{
string sourceColumn = MappingHelpers.GetSourceColumn(prop);
int col = source.GetOrdinal(sourceColumn);
if (col < 0 || source.IsDBNull(col))
{
continue;
}
MapType <T>(returnValue, source.GetValue(col), prop);
}
catch (Exception) { }
}
#endregion set properties
}
return(returnValue);
}
private SqlMappingInfo(PropertyInfo prop)
{
ColumnNumber = -1;
SourceColumn = MappingHelpers.GetSourceColumn(prop);
}
