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POmvvm how to pass data from one view model to another view model
 

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  1. POmvvm how to pass data from one view model to another view model
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    <p>I have One View which has one Data grid with radio Button , onchecking radio Box , the selected row should go to other View Screen Textbox</p> <p>here is my first ViewModel</p> <pre><code>public class CampaignSearchResultsViewModel : ViewModelBase { public CampaignSearchResultsViewModel(List&lt;Lead&gt; obj) { foreach(Lead lead in obj) { SelectedLead = lead; } } public CampaignSearchResultsViewModel() { this.Commands.Add("CheckedCommand", new ActionCommand&lt;Lead&gt;(CheckIt)); Commands.Add("OutboundSelect", new ActionCommand&lt;Object&gt;(OutboundSelection)); _leads = new ObservableCollection&lt;Lead&gt;(); } public ICommand OutboundSelect { get { return Commands["OutboundSelect"]; } } public void OutboundSelection(Object obj) { } private void CheckIt(Lead lead) { SelectedLead = lead; LeadViewModel lmv = new LeadViewModel(this); } #region Private private ObservableCollection&lt;Lead&gt; _leads; public bool IsChecked { get; set; } private ICommand _checkedCommand; private object _testProperty; private Lead _selectedLead; private ICollectionView icv; #endregion private ICommand _checkedRadioCommand; private bool _inboundChecked; #region Properties public ObservableCollection&lt;Lead&gt; Leads { get { return _leads; } set { _leads = value; FirePropertyChanged("Leads"); } } public Lead SelectedLead { get { return _selectedLead; } set { _selectedLead = value; } } public ICommand CheckedCommand { get { return Commands["CheckedCommand"]; } } public bool InboundChecked { get { return _inboundChecked; } private set { if (_inboundChecked != value) { _inboundChecked = value; FirePropertyChanged("InboundChecked"); } } } #endregion } </code></pre> <p>i have to map SelectedLead to the other view model i have pass info to SearchCampaignMembers() method , how </p> <pre><code> public partial class LeadViewModel : ViewModelBase { public void SearchCampaignMembers() { _service.Load(_service.SearchCampaignMembersQuery(Entity.FirstName, Entity.LastName), lo =&gt; { if (!lo.HasError) { ListLead = lo.Entities.ToList(); _savedLeadStatusId = Entity.LeadStatusId; EntitySet = _service.Leads; if (ListLead.Count == 1) { if (Entity != null) { IsVendorLead = Entity.LeadTypeId == Lookups.LeadType.VendorLead; //Lead Update History EntityQuery&lt;LeadUpdateHistory&gt; historyquery = null; historyquery = _service.GetLeadUpdateHistoryByLeadIdQuery(Entity.LeadId); _service.Load(historyquery, l =&gt; { if (!l.HasError) { EntityHistory = _service.LeadUpdateHistories; } }, null); //Lead Assignment EntityQuery&lt;LeadsAssignment&gt; assignmentquery = null; assignmentquery = _service.GetLeadsAssignmentByLeadIdQuery(Entity.LeadId); _service.Load(assignmentquery, l =&gt; { if (!l.HasError) { EntityAssignment = _service.LeadsAssignments; } }, null); if (Entity.LeadTypeId == Lookups.LeadType.PhoneLead) { IsInboundLead = Entity.VendorId == null; IsOutboundLead = Entity.VendorId != null; } else { IsInboundLead = false; IsOutboundLead = false; } //SelectTimeToCall(Entity); if (IsOutboundLead) SelectedCampaign = Entity.LeadCampaigns.FirstOrDefault().Campaign; else SelectCampaign(Entity); OperationsListener listener = new OperationsListener(); listener.Completed += (s, args) =&gt; { CompleteInitializing(); //SwitchTab(param.InitialTab); Action action = () =&gt; { SelectDealer(Entity); }; //GetDealerRecommendation(Entity.Address.ZipCode, action); SelectStatus(Entity); //if (callback != null) // callback(); }; LoadLookupData(listener); listener.Start(); } } else if (ListLead.Count &gt;= 1) { CampaignSearchResultsViewModel vm = new CampaignSearchResultsViewModel(); foreach (Lead lead in ListLead) { vm.Leads.Add(lead); ObservableCollection&lt;Lead&gt; abc; abc = new ObservableCollection&lt;Server.DataAccess.Lead&gt;(); } ViewController.OpenDialog("SearchCampaignResults", vm, r =&gt; { }); } else if (ListLead.Count == 0) { ViewController.OpenDialog("NoResults", (r) =&gt; { }); } } else { //if (callback != null) // callback(); } }, null); } } </code></pre>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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