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Jason
540
Changing or Binding to xamGrid Header Text
posted

I have an issue, that I think would be relatively straight forward, but I can't seem to make it work...

 

In short, I have a xamGrid, that is bound to some item source.  That source is a list of schedule data.  I simply want to change the headers to the dates based on the client's search.  So, I set them to some default like "Data1Text" through "Data7Text".  When the grid loads, I want it to change to something like "Sunday, 9/1/12" (first column header text) through "Saturday, 9/7/12" (last column header text).

 

I am using Template Columns.  I tried binding to the item source...to the view model... it never changes to the date.. below is a code snippet.  If that can't work, then I don't mind changing the column header text after the item source is updated...but I can't figure what event is used for that.  I am using MVVM and Prism framework, if that helps.

 

<ig:XamGrid HorizontalAlignment="Center" Name="xamGrdManageWeeklyPlanner" VerticalAlignment="Top"

ItemsSource="{Binding Path=WPRecords, Mode=TwoWay}" AutoGenerateColumns="False" MinWidth="890" MaxHeight="400"

SelectedCellsCollectionChanged="xamGrdManageWeeklyPlanner_SelectedCellsCollectionChanged"

SelectedRowsCollectionChanged="xamGrdManageWeeklyPlanner_SelectedRowsCollectionChanged"

MouseMove="xamGrdManageWeeklyPlanner_MouseMove" InitializeRow="xamGrdManageWeeklyPlanner_InitializeRow"

PropertyChanged="xamGrdManageWeeklyPlanner_PropertyChanged">

<ig:ContextMenuService.Manager>

<ig:ContextMenuManager>

<ig:ContextMenuManager.ContextMenu>

<ig:XamContextMenu Name="conWPMenuGrid" ItemClicked="XamContextMenu_ItemClicked" Opening="conMenuGrid_Opening">

<ig:XamMenuItem Header="Detail Manpower" />

<ig:XamMenuItem Header="Take Attendance" />

<ig:XamMenuItem Header="Modify Times" />

<ig:XamMenuItem Header="Modify Schedule" />

<ig:XamMenuItem Header="Approve Leave" />

<ig:XamMenuItem Header="Deny Leave" />

<ig:XamMenuItem Header="Modify Assignment Template" />

</ig:XamContextMenu>

</ig:ContextMenuManager.ContextMenu>

</ig:ContextMenuManager>

</ig:ContextMenuService.Manager>

<ig:XamGrid.Columns>

<ig:TemplateColumn Key="Employee" HeaderText="Employee" MaximumWidth="150">

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Employee}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

<ig:TemplateColumn Key="Data1Text">

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Data1}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

<ig:TemplateColumn Key="Data2Text">

<ig:TemplateColumn.HeaderTemplate>

<DataTemplate>

<TextBlock Text="{Binding}"/>

</DataTemplate>

</ig:TemplateColumn.HeaderTemplate>

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Data2}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

<ig:TemplateColumn Key="Data3" HeaderText="Data3">

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Data3}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

<ig:TemplateColumn Key="Data4" HeaderText="Data4">

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Data4}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

<ig:TemplateColumn Key="Data5" HeaderText="Data5">

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Data5}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

<ig:TemplateColumn Key="Data6" HeaderText="Data6">

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Data6}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

<ig:TemplateColumn Key="Data7" HeaderText="Data7">

<ig:TemplateColumn.ItemTemplate>

<DataTemplate>

<ContentPresenter Content="{Binding Data7}"/>

</DataTemplate>

</ig:TemplateColumn.ItemTemplate>

</ig:TemplateColumn>

</ig:XamGrid.Columns>

<ig:XamGrid.SelectionSettings>

<ig:SelectionSettings CellClickAction="SelectCell" RowSelection="None" />

</ig:XamGrid.SelectionSettings>

<ig:XamGrid.EditingSettings>

<ig:EditingSettings AllowEditing="None" IsOnCellActiveEditingEnabled="False" IsMouseActionEditingEnabled="None" IsF2EditingEnabled="False" />

</ig:XamGrid.EditingSettings>

<ig:XamGrid.FilteringSettings>

<ig:FilteringSettings AllowFiltering="FilterMenu" FilteringScope="ColumnLayout" FilterMenuSelectionListGeneration="CompleteList"></ig:FilteringSettings>

</ig:XamGrid.FilteringSettings>

</ig:XamGrid>

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  • 540
    Verified Answer
    posted

    Greetings all,

     

    Well, I guess this is what happens when you try to code late... i figured out the fix for this today, it was, as I thought, straight forward.  I had this code in my InitializeRow method for the grid.  Which was right...except I forgot the "_count++" at the end of the foreach... ::sigh:: It is working as expected now.

     

    private void xamGrdManageWeeklyPlanner_InitializeRow(object sender, InitializeRowEventArgs e)
            {
                int _count = 0;
                foreach(var c in e.Row.Columns)
                {
                    switch (_count)
                    {
                        case 0:
                            break;
                        case 1:
                            c.HeaderText = (this.DataContext as vmSchSchedule).Data1Text;
                            break;
                        case 2:
                            c.HeaderText = (this.DataContext as vmSchSchedule).Data2Text;
                            break;
                        case 3:
                            c.HeaderText = (this.DataContext as vmSchSchedule).Data3Text;
                            break;
                        case 4:
                            c.HeaderText = (this.DataContext as vmSchSchedule).Data4Text;
                            break;
                        case 5:
                            c.HeaderText = (this.DataContext as vmSchSchedule).Data5Text;
                            break;
                        case 6:
                            c.HeaderText = (this.DataContext as vmSchSchedule).Data6Text;
                            break;
                        case 7:
                            c.HeaderText = (this.DataContext as vmSchSchedule).Data7Text;
                            break;
                        default:
                            break;
                    }
                    _count++;
                }
            }

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