User-299966805 posted
How do you cast Table?
CS0266: Cannot implicitly convert type 'System.Web.DynamicData.MetaTable' to 'List.MetaTableSecurity'. An explicit conversion exists (are you missing a cast?)
using System;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Security.Principal;
using System.Web.DynamicData;
using System.Web.Routing;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.Expressions;
using System.Web.DynamicData.ModelProviders;
using System.Linq;
public partial class List : System.Web.UI.Page {
public partial class MetaTableSecurity : MetaTable
{
public MetaTableSecurity(MetaModel metaModel, TableProvider tableProvider)
: base(metaModel, tableProvider)
{
}
public override bool CanDelete(System.Security.Principal.IPrincipal principal)
{
return false;
}
//public override IQueryable GetQuery(object context)
//{
// IQueryable query = base.GetQuery(context);
// return query;
//}
}
protected MetaTableSecurity table;
protected void Page_Init(object sender, EventArgs e) {
table = DynamicDataRouteHandler.GetRequestMetaTable(Context);
GridView1.SetMetaTable(table, table.GetColumnValuesFromRoute(Context));
GridDataSource.EntityTypeFilter = table.EntityType.Name;
}
protected void Page_Load(object sender, EventArgs e) {
Title = table.DisplayName;
GridDataSource.Include = table.ForeignKeyColumnsNames;
// Disable various options if the table is readonly
if (table.IsReadOnly) {
GridView1.Columns[0].Visible = false;
InsertHyperLink.Visible = false;
GridView1.EnablePersistedSelection = false;
}
}
protected void Label_PreRender(object sender, EventArgs e) {
Label label = (Label)sender;
DynamicFilter dynamicFilter = (DynamicFilter)label.FindControl("DynamicFilter");
QueryableFilterUserControl fuc = dynamicFilter.FilterTemplate as QueryableFilterUserControl;
if (fuc != null && fuc.FilterControl != null) {
label.AssociatedControlID = fuc.FilterControl.GetUniqueIDRelativeTo(label);
}
}
protected override void OnPreRenderComplete(EventArgs e) {
RouteValueDictionary routeValues = new RouteValueDictionary(GridView1.GetDefaultValues());
InsertHyperLink.NavigateUrl = table.GetActionPath(PageAction.Insert, routeValues);
base.OnPreRenderComplete(e);
}
protected void DynamicFilter_FilterChanged(object sender, EventArgs e) {
GridView1.PageIndex = 0;
}
protected void GridView1OnPreRender(object sender, EventArgs e)
{
if (GridView1.Rows.Count > 0)
{
GridView1.UseAccessibleHeader = true;
GridView1.HeaderRow.TableSection = TableRowSection.TableHeader;
}
}
protected void OnFilterSelectedIndexChanged(object sender, EventArgs e)
{
GridView1.PageIndex = 0;
}
protected void GridDataSource_Selecting(object sender, EntityDataSourceSelectingEventArgs e)
{
string s = e.SelectArguments.SortExpression;
if (s.StartsWith("it."))
e.SelectArguments.SortExpression = s.Substring(3);
}
protected bool CanDelete(System.Security.Principal.IPrincipal principal)
{
return false;
}
}
