Questions on UI for WinForms Forum

4 answers

387 views

Getting individual Values From ListviewElement

i cant but seem to retrieve indivijual values of elements from a ListviewElement

radListView1.ItemValueChanged += (s, e) => { Edited.Add(new

ListViewEditedItems() { Loan = e.ListViewElement.Columns[0].ToString(), Recovery = e.ListViewElement.Columns[1].ToString(), CurrInstNo = e.ListViewElement.Columns[2].ToString(), TotInstNo = e.ListViewElement.Columns[3].ToString(), AmtDrawn = e.ListViewElement.Columns[4].ToString(), AmtRecoverd = e.ListViewElement.Columns[5].ToString(), BalAmt = e.ListViewElement.Columns[6].ToString() }); };

e.ListViewElement.Columns[0].ToString()
this i suppose was to get the value from the column ..but does'nt seem to be working..
i need to get the value from columns in the listview
idea's please..

ListView

answered on 21 Feb 2012

7 answers

309 views

[Solved] BackgroundImage/-color ignored?

In my RadListView the BackgroundImage (and the Backgroundcolor as well) are ignored.
ViewType is IconsView, but this doesn't matter because it is not shown in all ViewTypes.
Is this a bug or what?

ListView

answered on 21 Feb 2012

1 answer

1.3K+ views

Binding an enum in a datatable

I have bound a BindingList holding my business objects to a GridView which displays fine. Then I reset the grid and I converted the list to a DataTable and bind it to a gridview. The business objects have an enum property for which the appropriate string name is displayed when the objects are bound, however only the integer value of the enum is displayed when the datatable is bound. I use the same predefined group of GridViewDataColumns for both scenarios. The extension method generates a datacolumn with the datatype of my enum. What should I do to get the enum string name to display when the datatable is bound? I just want the string in a textbox, this grid is strictly read only.

List<WorkItem> _workitems = new List<WorkItem>();

List<GridViewDataColumn> _workitemColumns = new List<GridViewDataColumn>();

_workitemColumns.Add(new GridViewTextBoxColumn() { DataField = "InstanceID", HeaderText = "Instance ID" });

_workitemColumns.Add(new GridViewTextBoxColumn() { DataField = "StorageObjectID", HeaderText = "Object ID" });

_workitemColumns.Add(new GridViewTextBoxColumn() { DataField = "Document.BatchID", HeaderText = "Batch ID" });

_workitemColumns.Add(new GridViewTextBoxColumn() { DataField = "ReferenceTypeName", HeaderText = "Document Type" });

_workitemColumns.Add(new GridViewDateTimeColumn() { DataField = "CreateDate", HeaderText = "Create Date", ExcelExportType = DisplayFormatType.Custom, ExcelExportFormatString = "MM/dd/yyyy hh:mm:ss" });

_workitemColumns.Add(new GridViewTextBoxColumn() { DataField = "Title", HeaderText = "Title" });

_workitemColumns.Add(new GridViewTextBoxColumn() { DataField = "OwningUser", HeaderText = "Assigned User" });

_workitemColumns.Add(new GridViewTextBoxColumn() { DataField = "Status", HeaderText = "Status"});

#region this works

foreach (GridViewDataColumn curCol in this._workitemColumns)

{

this.workItemsGridView1.Columns.Add(curCol);

}

BindingList<WorkItem> bindingWorkitems = new BindingList<WorkItem>(this._workitems);

BindingSource dbBindSource = new BindingSource();

dbBindSource.DataSource = bindingWorkitems;

this.workItemsGridView1.DataSource = dbBindSource;

#endregion

#region does not work

DataTable workitemsDT = this._workitems.ToDataTable();

foreach (GridViewDataColumn curCol in this._workitemColumns)

{

this.workItemsGridView1.Columns.Add(curCol);

}

foreach(GridViewDataColumn curCol in this._layerColumns[this._selectedLayer])

{

this.workItemsGridView1.Columns.Add(curCol);

}

this.workItemsGridView1.DataSource = workitemsDT;

#endregion

public static DataTable ToDataTable<T>(this List<T> items)

{

var tb = new DataTable(typeof(T).Name);

PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);

foreach (var prop in props)

{

if (prop.PropertyType.IsGenericType && prop.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))

{

tb.Columns.Add(prop.Name, prop.PropertyType.GetGenericArguments()[0]);

}

else

tb.Columns.Add(prop.Name, prop.PropertyType);

}

foreach (var item in items)

{

var values = new object[props.Length];

for (var i = 0; i < props.Length; i++)

{

values[i] = props[i].GetValue(item, null);

}

tb.Rows.Add(values);

}

return tb;

}

GridView

answered on 21 Feb 2012

1 answer

156 views

Gridview print

Is there a simple example to print the contents of a gridview?

Best regards,

G

GridView

answered on 21 Feb 2012

3 answers

194 views

RadMessageBox Problem in RTL mode

Hi,

When using RadMessageBox in RTL mode the last word is always printed in a new line, such that only the upper half of the word is visible (making it impossible to read).

BTW - do you have any plans on releasing a right-to-left Ribbon?

Thanks,
Roy

MessageBox

answered on 21 Feb 2012

2 answers

108 views

Problem Setting SelectedDates collection

Hello,

I'm using a RadCalendar within my WinForms application, I'm having an issue setting the SelectedDates collections programmatically. The code below works only if I uncomment the statement dtDate = new DateTime(dtDate.Year, dtDate.Month, dtDate.Day); It sets the dates and highlights them correctly when I have multiple dates. If I do not create an instance of a DateTime object as you see below the calendar seems to only accept the first date in my dataset. This is odd since the DateTime.TryParse statement returns a valid datetime into dtDate variable and I feel its unnecessary to have to set it again. Using VS2008 Framework 3.5 build 2011.3.11.1116.

DateTime dtDate;
foreach (DataRow rw in oDS.Tables[0].Rows)
{
DateTime.TryParse(rw["eDate"].ToString(), out dtDate);
//dtDate = new DateTime(dtDate.Year, dtDate.Month, dtDate.Day);
radCalendar1.SelectedDates.Add(dtDate);
}

Thanks Kerry

Calendar, DateTimePicker, TimePicker and Clock

answered on 20 Feb 2012

5 answers

189 views

DragEnding event

Hi.

I have a treeview and I need to impose more restrictions on the drag and drop action. For example, if the node and the target node are at different levels I cancel the drag and drop action using the DragEnding event.

But I need more. I have to know where the node is going to be dropped onto the target node( above, below, within). The node cann't become a child node for the target node.

Can I find out this within the DragEnding event?

Thanks.

Treeview

answered on 20 Feb 2012

5 answers

1.8K+ views

Hiding a tree node

Hello,

1. I'm having difficulties hiding a folder tree node.
Setting the visibility to collapsed of the NodeElement will make the rows of the tree overlapping each other. How can I resolve this?

private void SignalTreeView_NodeFormatting(object sender, TreeNodeFormattingEventArgs e)

{

DataRowView rowView = (DataRowView)e.Node.DataBoundItem;

e.NodeElement.ImageElement.Image = (Image)rowView[TreeNodes.COL_ICON];

TreeNode tn = rowView[TreeNodes.COL_ITEM] as TreeNode;

if (tn is FolderNode && e.Node.Nodes.Count == 0)

{

e.NodeElement.Visibility = ElementVisibility.Collapsed;

}

See the attached image!

2. Another problem is that I'm not able to hide the folder nodes when all children are filtered out (using custom filter). Is there any way I can do this? Folders can be multilevel.

Best Regards,
Zoltán Nagy

Treeview

answered on 20 Feb 2012

1 answer

168 views

GridView GridViewDateTimeColumn

I have a RadGridView with a GridViewDateTimeColumn added as follows

With radGridView

Dim dtFromCol As New GridViewDateTimeColumn("FromDate")

With dtFromCol

.Format = DateTimePickerFormat.Custom

.CustomFormat = "M/d/yy" 'I'm looking for the shortest date format, i.e. 1/1/12 or 12/31/12

.Width = 70

End With
.Columns.Add(dtFromCol)
.
.Other columns follow
.
End With

When I click the cell I get the datetime picker & the date selected shows up in the desired format (M/d/yy) in the cell, but when I click or Tab away from the cell the cell value changes to a long date format like 2/14/2012 12:00:00 AM . I'm trying not to display the full year (2012) and I don't want the time.
I have tryed customizing the cell's editor in the CellEditorInitialized event or forcing the desired date into the cell in the CellValidated event to no avail. Thanks for any help.

GridView

answered on 20 Feb 2012

5 answers

228 views

radgridview hierarchy refreshing hierarchy grid closes

Hi,
I have a radgridview setup wth a hierarchy. I would like this grid to refresh every ten seconds as new information could be added to the database from another source, so it needs to be kept up-to-date. I did have a timer which would fire every ten seconds which reloaded the data.

The only problem is, if I have a row expanded or select a row and the grid reloads the selected row is lost and the sub grids close. Is there any way I can keep this open while the data refreshes? ie the new row would be added at the bottom?

I have followed the http://www.telerik.com/community/forums/winforms/gridview/radgridview-hierarchy-refreshing-hierarchy-grid-closes.aspx example given when i debug the code i can see it is storing the expanded rows but while Restoring

if

(expanded.Contains(item.DataBoundItem))

{

item.IsExpanded =

true;

}

the condition is not satisfyting. Can U suggest Me How to do the above Task

Thanks

GridView

answered on 17 Feb 2012