// <Snippet1>
private void Clear_Clicked(object sender, System.EventArgs e)
{
// TablesAlreadyAdded set to false so that table styles can be added again.
TablesAlreadyAdded = false;
myLabel.Text = "All Table Styles Cleared.";
// Clear all the column styles and also table style for the grid.
foreach (DataGridTableStyle myTableStyle in myDataGrid.TableStyles)
{
GridColumnStylesCollection myColumns = myTableStyle.GridColumnStyles;
myColumns.Clear();
}
myDataGrid.TableStyles.Clear();
}
public void TestRemove()
{
DataGridTableStyle ts = new DataGridTableStyle();
GridColumnStylesCollection sc = ts.GridColumnStyles;
sc.CollectionChanged += new CollectionChangeEventHandler(OnCollectionEventHandler);
// Add single
DataGridTextBoxColumn col1 = new DataGridTextBoxColumn();
col1.MappingName = "Column1";
sc.Add(col1);
DataGridTextBoxColumn col2 = new DataGridTextBoxColumn();
col2.MappingName = "Column2";
sc.Add(col2);
DataGridTextBoxColumn col3 = new DataGridTextBoxColumn();
col3.MappingName = "Column3";
sc.Add(col3);
ResetEventData();
sc.Remove(col2);
Assert.AreEqual(true, eventhandled, "A1");
Assert.AreEqual(col2, Element, "A2");
Assert.AreEqual(CollectionChangeAction.Remove, Action, "A3");
Assert.AreEqual(2, sc.Count, "A4");
ResetEventData();
sc.RemoveAt(0);
Assert.AreEqual(true, eventhandled, "A5");
Assert.AreEqual(col1, Element, "A6");
Assert.AreEqual(CollectionChangeAction.Remove, Action, "A6");
Assert.AreEqual(1, sc.Count, "A7");
ResetEventData();
sc.Clear();
Assert.AreEqual(null, Element, "A8");
Assert.AreEqual(CollectionChangeAction.Refresh, Action, "A9");
}
public static void FillDataGrid(DataGrid grid, PropertyList columns, DataContent[] rows)
{
DataTable dtab = new DataTable();
DataRow drow;
int colNumber = 0;
if (columns != null)
{
colNumber = columns.Size();
dtab.Columns.Add("_UIUTilsNo_", typeof(int));
for (IEnumerator i = columns.GetEnumerator(); i.MoveNext();)
{
DataInfo info = columns.Info();
if (info != null)
{
DataField f = columns.Info().GetField((String)i.Current);
dtab.Columns.Add(f.getFieldTitle(), typeof(Object) /*f.getFieldType().ToImplType()*/);
}
else
{
dtab.Columns.Add((String)i.Current, typeof(Object));
}
}
for (int i = 0; i < rows.Length; i++)
{
drow = dtab.NewRow();
int col = 0;
drow[col++] = i + 1;
for (IEnumerator e = columns.GetEnumerator(); e.MoveNext();)
{
Object o = rows[i].GetProperty((String)e.Current);
if (o == null)
{
o = DBNull.Value;
}
drow[col++] = o;
}
dtab.Rows.Add(drow);
}
}
else if (rows != null && rows.Length > 0)
{
ICollection cols = rows[0].KeySet();
dtab.Columns.Add("No", typeof(int));
for (IEnumerator i = cols.GetEnumerator(); i.MoveNext();)
{
dtab.Columns.Add((String)i.Current, typeof(Object));
colNumber++;
}
for (int i = 0; i < rows.Length; i++)
{
drow = dtab.NewRow();
int col = 0;
drow[col++] = i + 1;
for (IEnumerator e = cols.GetEnumerator(); e.MoveNext();)
{
Object o = rows[i].GetProperty((String)e.Current);
if (o == null)
{
o = DBNull.Value;
}
drow[col++] = o;
}
dtab.Rows.Add(drow);
}
}
int x = -1;
if (colNumber > 0)
{
x = (grid.ClientSize.Width - 40) / colNumber;
if (x > 0)
{
grid.PreferredColumnWidth = x;
}
}
grid.DataSource = dtab;
grid.TableStyles.Clear();
grid.TableStyles.Add(new DataGridTableStyle());
GridColumnStylesCollection gcsColl = grid.TableStyles[0].GridColumnStyles;
ArrayList a = new ArrayList();
for (int i = 0; i < gcsColl.Count; i++)
{
if (x > 0)
{
gcsColl[i].Width = x;
gcsColl[i].NullText = "";
}
a.Add(gcsColl[i]);
}
gcsColl.Clear();
UserTextBoxColumn u = new UserTextBoxColumn();
u.HeaderText = "";
u.MappingName = "_UIUTilsNo_";
u.Width = 30;
gcsColl.Add(u);
for (int i = 1; i < a.Count; i++)
{
gcsColl.Add((DataGridColumnStyle)a[i]);
}
/*
* for (int i = 0; i < gcsColl.Count; i++)
* {
* if (gcsColl[i].GetType() == typeof (DataGridTextBoxColumn))
* {
* DataGridTextBoxColumn textColumn = (DataGridTextBoxColumn) gcsColl[i];
* if (textColumn.HeaderText == "No")
* {
* textColumn.Width = 30;
* textColumn.TextBox.BackColor=Color.Red;
* //textColumn.HeaderText = "new header text";
* break;
* }
* }
* }*/
if (dtab.Rows.Count > 0)
{
grid.CurrentRowIndex = 0;
grid.Select(0);
}
grid.RowHeadersVisible = false;
grid.RowHeaderWidth = 1;
//grid.Focus();
}