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adding columns to datagrid and changing headers


adding columns to datagrid and changing headers

By : Márcio
Date : November 15 2020, 06:54 AM
I hope this helps . I created a list of objects with specific properties and then I binded it to a dataGrid the order of the columns was not as I expected because I inherited properties from a base class and added other ones to the inheriting class so I tried changing the order manually but that didn't work. So, my question is how to change the order and the headers of the columns when a list is binded to a datagrid. here's an example that demonstrates what Iam trying to accomplish : , Define the columns manually in the XAML part of your control:
code :
    <DataGrid Name="datagrid1" AutoGenerateColumns="False">
        <DataGrid.Columns>
            <DataGridTextColumn Header="p1" Binding="{Binding p1}"/>
            <DataGridTextColumn Header="p2" Binding="{Binding p2}"/>
            <DataGridTextColumn Header="p3" Binding="{Binding p3}"/>
        </DataGrid.Columns>
    </DataGrid>


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WPF DataGrid Columns not lining up with headers

WPF DataGrid Columns not lining up with headers


By : user1791796
Date : March 29 2020, 07:55 AM
help you fix your problem My WPF DataGrid columns are not lining up with the headers. Any idea why? , Putting a margin around the default style for Button causes this.
WPF DataGrid columns: how to manage event of value changing

WPF DataGrid columns: how to manage event of value changing


By : Yogesh Bhujang
Date : March 29 2020, 07:55 AM
this one helps. You seem to be looking at this problem from a WinForms perspective. In WPF, we generally prefer to manipulate data objects rather than UI objects. You said that don't have an ObservableCollection for your items, but I would recommend that you use one.
If you don't have a data type class for your data, then I'd advise you to create one. You should then implement the INotifyPropertyChanged interface in it.
code :
public ObservableCollection<YourDataType> Items
{
    get { return items; }
    set { items = value; NotifyPropertyChanged("Items"); }
}

public YourDataType SelectedItem
{
    get { return selectedItem; }
    set { selectedItem = value; NotifyPropertyChanged("SelectedItem"); }
}
SelectedItem.PropertyChanged += SelectedItem_PropertyChanged;
private void SelectedItem_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
    // this will be called when any property value of the SelectedItem object changes
    if (e.PropertyName == "YourPropertyName") DoSomethingHere();
    else if (e.PropertyName == "OtherPropertyName") DoSomethingElse();
}
<DataGrid ItemsSource="{Binding Items}" SelectedItem="{Binding SelectedItem}" ... />
dynamically changing headers in flex datagrid

dynamically changing headers in flex datagrid


By : leavesosoon
Date : March 29 2020, 07:55 AM
hope this fix your issue I currently have a datagrid with some hard coded values for the headers however I need one of the headers to change based on a paramater from a query. e.g the result of the query may be "result1". In this case I need the header of the column to be "result1". I have tried running a query and assigning the result to a variable but have been unable to get the header to update each time the grid does. Is it possible to take this approach or is there another way? I am quite new to this , Like RIAStar said, you can always use
code :
<mx:DataGridColumn hederText="{yourResult}" id="dgCol"/>
dgCol.headerText = yourResult;
yourGrid.dataProvider.refresh();
yourGrid.invalidateList();
DataTable adding Columns to DataGrid instead of adding new rows?

DataTable adding Columns to DataGrid instead of adding new rows?


By : Christina T
Date : March 29 2020, 07:55 AM
hope this fix your issue I have a DataGridView that I'm trying to pull data to from an SQLite database.
code :
String SelectQuery = "Select ID,TaskName,TaskDue,Status from TASKS Order BY Status";
   SQLiteConnection slite = new SQLiteConnection("data source = SupportDash.sqlite");
   slite.Open();

   SQLiteDataAdapter data = new SQLiteDataAdapter(SelectQuery, slite);
   SQLiteCommandBuilder Command = new SQLiteCommandBuilder(data);
   var Bind = new BindingSource();
   DataTable table = new DataTable();

   Bind.DataSource = table;

   MyTasksGrid.AutoGenerateColumns = false;
   MyTasksGrid.DataSource = table;

   MyTasksGrid.DataSource = Bind;
   MyTasksGrid.Refresh();

   data.Fill(table);
Adding columns to Datagrid

Adding columns to Datagrid


By : dilanyanm
Date : March 29 2020, 07:55 AM
around this issue Assuming you are binding your datagrid from your code behind and you are not using MVVM.
You can always change your desire column in your code behind, like this:
code :
DetailsDlg.Columns[0].Header = "New column name";
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