我有3个UITableViewControllers，它们都有数据。然后我有一个UIViewController。 我在其他控制器中也有一个UINavigationController用于导航。
我的问题： My Row有按钮可以从1个控制器导航到其他控制器。 当我到达我的上一个UITableViewController以通过单击我的行中的Detail Button来打开UIViewController时，我的UIViewController会自动开始显示随机记录详细信息，然后自动停止在我从之前的UITableViewController中选择的记录。
这对我来说很奇怪。我需要帮助来解决这个问题。 我正在研究Xamarin IOS项目。 感谢。
第一个UITableViewController转到其他UIViewController，它在按钮上重复按钮执行按钮单击一行。
using Foundation;
using System;
using UIKit;
using System.Collections.Generic;
using System.Linq;
using CoreGraphics;
using System.IO;
using System.Xml.Serialization;
namespace NaCLists
{
public partial class TblController : UITableViewController
{
private Guid _Id;
private int _selectedFRowId;
private int _selectedARowId;
private int _selectedGRowId;
private int _selectedCRowId;
public TblController(IntPtr handle) : base(handle)
{
}
public TblController()
{
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
tblClists.Source = new TblSource(this, AuditorId, SelectedFacilityRowId, SelectedAssessmentRowId, SelectedGroupRowId);
}
public Guid AId
{
get
{
return this._Id;
}
set
{
this._Id = value;
}
}
public int FRowId
{
get
{
return this._FRowId;
}
set
{
this._FRowId = value;
}
}
public int ARowId
{
get
{
return this._ARowId;
}
set
{
this._ARowId = value;
}
}
public int GRowId
{
get
{
return this._GRowId;
}
set
{
this._GRowId = value;
}
}
}
class TblSource : UITableViewSource
{
private List<Clists> _clists;
NSString _cellID = new NSString("TableCell");
TblController _parent;
int _selectedF, _selectedA, _selectedG;
Guid _Id;
public TblSource(TblController parent, Guid AId, int FRowId, int ARowId, int GRowId)
{
_Id = AId;
_selectedF = FRowId;
_selectedA = ARowId; ;
_selectedG = GRowId;
_clists = TblTableSource.OnlyClists(AId, selectedF, selectedA, selectedG);
_parent = parent;
}
public override nint RowsInSection(UITableView tableview, nint section)
{
return _clists.Count;
}
public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
{
Clists currentA = _clists[indexPath.Row];
var cell = tableView.DequeueReusableCell(_cellID) as TblTableCell;
if (cell == null) { cell = new TblTableCell(_cellID); }
cell.UpdateCellControlsWithAuditData(currentA.Title, currentA.Name);
cell.Perform.TouchUpInside += (object sender, EventArgs e) =>
{
ClistDetailController view = new ClistDetailController();
view = _parent.Storyboard.InstantiateViewController("ClistDetailController") as ClistDetailController;
view.AuditorId = _Id;
view.SelectedFId = _selectedF;
view.SelectedAId = _selectedA;
view.SelectedGId = _selectedG;
view.SelectedCId = indexPath.Row;
_parent.NavigationController.PushViewController(view, true);
};
return cell;
}
}
public class TableSource
{
public TableSource()
{
}
public static List<Clists> Clists(Guid Id, int FId, int AId, int GId)
{
string Directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
ACollection _f = null;
string _path = @"ACollection.xml";
var path1 = Path.Combine(Directory, _path);
XmlSerializer serializer = new XmlSerializer(typeof(ACollection));
StreamReader reader = new StreamReader(path1);
_f = (ACollection)serializer.Deserialize(reader);
reader.Close();
List<Clists> c_items = _f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items.Cast<Clists>().ToList();
return c_items;
}
}
public class TblTableCell : UITableViewCell
{
UILabel Name, lblQuestion;
UIButton mapButton, btnPerform;
public TblTableCell(NSString cellId) : base(UITableViewCellStyle.Default, cellId)
{
SelectionStyle = UITableViewCellSelectionStyle.Gray;
ContentView.BackgroundColor = UIColor.FromRGB(0, 128, 10);
var newFont = UIFont.SystemFontOfSize(12);
Name = new UILabel();
Name.Font = newFont;
mapButton = new UIButton();
mapButton.Font = newFont;
mapButton.SetTitle("Map", UIControlState.Normal);
btnPerform = new UIButton();
btnPerform.Font = newFont;
btnPerform.SetTitle("Enter", UIControlState.Normal);
lblQuestion = new UILabel();
lblQuestion.Font = newFont;
ContentView.AddSubviews(new UIView[] { clauseName, btnPerformAudit, lblQuestion });
}
public UIButton MapButton
{
get
{
return mapButton;
}
}
public UIButton Perform
{
get
{
return btnPerform;
}
}
public UILabel Question
{
get
{
return lblQuestion;
}
}
public void UpdateCellControlsWithAuditData(string question, string Name)
{
Name.Text = _Name;
lblQuestion.Text = question;
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
Name.Frame = new CGRect(10, 0, 150, 33);
lblQuestion.Frame = new CGRect(60, 0, 700, 33);
btnPerform.Frame = new CGRect(800, 0, 150, 33);
}
}
}
自动旋转的详细控制器代码：
using Foundation;
using System;
using UIKit;
using System.Xml.Serialization;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using CoreGraphics;
using System.Text;
using System.Drawing;
namespace Navigation
{
public partial class ClistDetailController : UIViewController
{
private Guid _Id;
private int _selectedFRowId;
private int _selectedARowId;
private int _selectedGRowId;
private int _selectedCRowId;
private int _selectedCItemRowId;
AuditsCollection _facility = null;
public Guid AId
{
get
{
return this._Id;
}
set
{
this._Id = value;
}
}
public int FRowId
{
get
{
return this._FRowId;
}
set
{
this._FRowId = value;
}
}
public int ARowId
{
get
{
return this._ARowId;
}
set
{
this._ARowId = value;
}
}
public int GRowId
{
get
{
return this._GRowId;
}
set
{
this._GRowId = value;
}
}
public int CItemRowId
{
get
{
return this._selectedCItemRowId;
}
set
{
this._selectedCItemRowId = value;
}
}
public ClistDetailController(IntPtr handle) : base(handle)
{
}
public ClistDetailController()
{
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
string Directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
ACollection _f = null;
string _path = @"ACollection.xml";
var path1 = Path.Combine(Directory, _path);
XmlSerializer serializer = new XmlSerializer(typeof(ACollection));
StreamReader reader = new StreamReader(path1);
_f = (ACollection)serializer.Deserialize(reader);
reader.Close();
string reqStat = _f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].ReqStat.ToString();
string Name = _f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].Name.ToString();
string title = _f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].Title.ToString();
string Clause = _f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].Clause.ToString();
int Status = _f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].Status;
lblClistDetail.Text = reqStat;
lblName.Text = Name;
lblTitle.Text = title;
lblClause.Text = Clause;
pvStatus.Select(Status, 0, true);
txtFinding.Text = _f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].Finding.ToString();
}
partial void TouchUpInside(UIButton sender)
{
_f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].Finding = txtFinding.Text;
_f.Fac[FId].A[AId].Clist_Groups[GId].Clist_Items[CItemRowId].Status = Convert.ToInt32(pvStatus.SelectedRowInComponent(0)); ;
string Directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string _path = @"ACollection-" + AuditorId.ToString() + ".xml";
var path1 = Path.Combine(Directory, _path);
var c = new ACollection { AId = AId, Facility = _f.Fac };
var s = new XmlSerializer(typeof(ACollection));
var sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
try
{
s.Serialize(writer, c);
File.WriteAllText(path1, sb.ToString(), Encoding.UTF8);
var alert = UIAlertController.Create("Alert", "Saved successfully.", UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
UIApplication.SharedApplication.KeyWindow.RootViewController.PresentViewController(alert, true, null);
}
catch (Exception e)
{
var alert = UIAlertController.Create("Alert", "Failed saving clistItem.", UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
UIApplication.SharedApplication.KeyWindow.RootViewController.PresentViewController(alert, true, null);
}
}
}
}
public class StackOverflowModel : UIPickerViewModel
{
static string[] names = new string[] {
"Entry1",
"Entry2",
"Entry3",
"Entry4"
};
public StackOverflowModel()
{
}
public override nint GetComponentCount(UIPickerView v)
{
return 1;
}
public override nint GetRowsInComponent(UIPickerView pickerView, nint component)
{
return names.Length;
}
public override string GetTitle(UIPickerView picker, nint row, nint component)
{
return names[row];
}
}
}