/// <summary>
/// Load a property values for an entity loaded by the current element of BindingSource loaded with a DataTable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="M"></typeparam>
/// <param name="dataRepository"></param>
/// <param name="bindingSource"></param>
/// <param name="fieldNames"></param>
/// <returns></returns>
public static IDictionary <string, object> LoadPropertyValuesFromCurrentBindingSource <T, M>(GenericDataRepository <T, M> dataRepository, BindingSource bindingSource, string[] fieldNames)
where T : class
where M : class
{
IDictionary <string, object> ret = null;
if (bindingSource.Current != null)
{
object[] keyvalues = new object[] { };
foreach (string fieldName in fieldNames)
{
//find the key value from a field
object fieldId = (((DataRowView)bindingSource.Current).Row).Field <object>(fieldName);
keyvalues = keyvalues.Concat(new object[] { fieldId }).ToArray();
}
//find the repository item
T item = dataRepository.Find(keyvalues);
if (item != null)
{
//get property values
ret = dataRepository.Helper.GetPropertyValues(item);
}
}
return(ret);
}
/// <summary>
/// Load an entity from the current element of BindingSource loaded with a DataTable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="M"></typeparam>
/// <param name="dataRepository"></param>
/// <param name="selectedKeys"></param>
/// <returns></returns>
public static object[] LoadEntitiesFromSelectedKeys <T, M>(GenericDataRepository <T, M> dataRepository, IList <object[]> selectedKeys)
where T : class
where M : class
{
object[] ret = new object[] { };
foreach (object[] selectedKey in selectedKeys)
{
object found = dataRepository.Find(selectedKey);
ret = ret.Concat(new object[] { found }).ToArray();
}
return(ret);
}
/// <summary>
/// Load an entity from the current element of BindingSource loaded with a DataTable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="M"></typeparam>
/// <param name="dataRepository"></param>
/// <param name="bindingSource"></param>
/// <param name="fieldNames"></param>
/// <returns></returns>
public static object LoadEntityFromCurrentBindingSource <T, M>(GenericDataRepository <T, M> dataRepository, BindingSource bindingSource, string[] fieldNames)
where T : class
where M : class
{
object ret = null;
if (bindingSource.Current != null)
{
object[] keyvalues = new object[] { };
foreach (string fieldName in fieldNames)
{
//find the key value from a field
object fieldId = (((DataRowView)bindingSource.Current).Row).Field <object>(fieldName);
keyvalues = keyvalues.Concat(new object[] { fieldId }).ToArray();
}
//find the repository item
ret = dataRepository.Find(keyvalues);
}
return(ret);
}
public T Find(Expression <Func <T, bool> > expresion)
{
return(_repository.Find(expresion));
}