public static void RegisterInsertDefaults(IDynamicDataSource dataSource, DetailsView detailsView, bool hideDefaults)
{
RequestContext requestContext = DynamicDataRouteHandler.GetRequestContext(HttpContext.Current);
MetaTable table = dataSource.GetTable();
if (hideDefaults)
{
var fieldGenerator = detailsView.RowsGenerator as AdvancedFieldGenerator;
if (fieldGenerator != null)
{
fieldGenerator.SkipList.AddRange(BuildSkipList(table, requestContext.RouteData.Values));
}
else
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, "Expected a field generator of type {0}", typeof(AdvancedFieldGenerator).FullName));
}
detailsView.ItemInserting += delegate(object sender, DetailsViewInsertEventArgs e) {
SetDefaultInsertValues(table, requestContext.RouteData.Values, e.Values);
};
}
else
{
detailsView.DataBound += delegate(object sender, EventArgs e) {
//In the seperate page version we pull the values from the querystring via routing
SetDefaultInsertControlValues(table, detailsView, requestContext.RouteData.Values);
};
}
}
public static MetaTable FindMetaTable(this Control current)
{
// .NET doesn't perform the check, we will
if (current == null)
{
throw new NullReferenceException();
}
while (current != null)
{
DataBoundControl dbc = current as DataBoundControl;
if (dbc != null)
{
IDynamicDataSource dds = dbc.DataSourceObject as IDynamicDataSource;
if (dds != null)
{
return(dds.GetTable());
}
}
current = current.NamingContainer;
}
return(null);
}
public void RegisterControl(Control control, bool setSelectionFromUrl)
{
// .NET doesn't check for null here, but since I don't like such code, we
// will do the check and throw the same exception as .NET
if (control == null)
{
throw new NullReferenceException();
}
if (!ControlIsValid(control))
{
throw new Exception("Controls of type " + control.GetType() + " are not supported.");
}
DataBoundControl dbc = control as DataBoundControl;
if (dbc != null)
{
IDynamicDataSource dds = dbc.DataSourceObject as IDynamicDataSource;
if (dds == null)
{
return;
}
MetaTable table = dds.GetTable();
if (table == null)
{
return;
}
GridView gv = control as GridView;
if (gv != null)
{
gv.ColumnsGenerator = new AutoFieldGenerator(table);
return;
}
}
}
public void DynamicDataExtensions_GetTable_Test()
{
IDynamicDataSource dds = null;
dds.GetTable();
}
public void RegisterControl(Control control, bool setSelectionFromUrl)
{
// .NET doesn't check for null here, but since I don't like such code, we
// will do the check and throw the same exception as .NET
if (control == null)
{
throw new NullReferenceException();
}
if (!ControlIsValid(control))
{
throw new Exception("Controls of type " + control.GetType() + " are not supported.");
}
// http://forums.asp.net/p/1257004/2339034.aspx
// http://forums.asp.net/p/1383908/2936065.aspx
DataBoundControl dbc = control as DataBoundControl;
if (dbc != null)
{
IDynamicDataSource dds = dbc.DataSourceObject as IDynamicDataSource;
if (dds == null)
{
return;
}
RegisterDataSource(dds);
MetaTable table = dds.GetTable();
if (table == null)
{
return;
}
if (String.IsNullOrEmpty(dds.Where))
{
dds.AutoGenerateWhereClause = true;
}
else
{
dds.AutoGenerateWhereClause = false;
}
Type contextType = dds.ContextType;
if (contextType == null)
{
dds.ContextType = table.DataContextType;
}
string entityName = dds.EntitySetName;
if (String.IsNullOrEmpty(entityName))
{
dds.EntitySetName = table.DataContextPropertyName;
}
if (AutoLoadForeignKeys)
{
var ldds = dds as LinqDataSource;
if (ldds != null)
{
ldds.LoadWithForeignKeys(table.EntityType);
}
}
var gv = control as GridView;
if (gv != null)
{
gv.ColumnsGenerator = new AutoFieldGenerator(table);
return;
}
var dv = control as DetailsView;
if (dv != null)
{
dv.RowsGenerator = new AutoFieldGenerator(table);
return;
}
}
}
