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.NET and JavaScript UI Controls
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Item(String) Property

indexer (by string key)
Syntax
'Declaration
 
Public Overloads ReadOnly Property Item( _
   ByVal key As String _
) As UltraGridColumn
public UltraGridColumn Item( 
   string key
) {get;}

Parameters

key
Example
Following code shows how to access various objects in the object model. It shows code for most commonly accessed obects.

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid

  Private Sub Button41_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button41.Click

      ' At the top level of the object hierarchy is the UltraGrid.
      Dim grid As UltraGridBase = Me.UltraGrid1

      ' Then is the layout.
      Dim layout As UltraGridLayout = grid.DisplayLayout

      ' Bands property returns the collection of bands. A band is analogous to a table in the data structure.
      ' Each band is associated with a table in the data source.
      Dim bands As BandsCollection = layout.Bands

      ' Get the first band, which is the  top-most band in case you had multple bands.
      Dim band As UltraGridBand = bands(0)

      ' Columns property off UltraGridBand returns the collection of columns associated with the band.
      Dim columns As ColumnsCollection = band.Columns

      ' You can get a particular column using the column name.
      Dim column As UltraGridColumn = columns("CustomerID")

      ' You can access the Header object associated with the column using Header property.
      Dim colHeader As Infragistics.Win.UltraWinGrid.ColumnHeader = column.Header

      ' Rows property off the UltraGridBase returns the top most rows.
      Dim rows As RowsCollection = Me.UltraGrid1.Rows

      ' You can get a row by index.
      Dim row As UltraGridRow = rows(0)

      ' You can get a cell associated with a row and a column by using Cells property off the row.
      ' You can use a column object or a column key as illustrated below.
      Dim cell As UltraGridCell = row.Cells(column)   ' Using a column object.
      cell = row.Cells("CustomerID")   ' Using a column key.

      ' These objects also have properties that back-reference the object they belong to or are
      ' associated with. Following lines illustrate some of these properties.
      column = cell.Column        ' Get the column cell is associated with.
      row = cell.Row              ' Get the row cell is associated with.
      rows = row.ParentCollection ' Get the rows collection the row belongs to.
      column = colHeader.Column   ' Get the column associated with the ColumnHeader object.
      band = column.Band          ' Get the band associated with the column.
      band = row.Band             ' Get the band associated with the row.
      layout = column.Layout      ' Get the layout using a column.
      layout = band.Layout        ' Get the layout using a band.
      grid = layout.Grid          ' Get the grid using a band.
      grid = cell.Row.Band.Layout.Grid   ' Get the grid using a cell in a single statement.

  End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;

private void button41_Click(object sender, System.EventArgs e)
{

	// At the top level of the object hierarchy is the UltraGrid.
	UltraGridBase grid = this.ultraGrid1;

	// Then is the layout.
	UltraGridLayout layout = grid.DisplayLayout;

	// Bands property returns the collection of bands. A band is analogous to a table in the data structure.
	// Each band is associated with a table in the data source.
	BandsCollection bands = layout.Bands;

	// Get the first band, which is the  top-most band in case you had multple bands.
	UltraGridBand band = bands[0];

	// Columns property off UltraGridBand returns the collection of columns associated with the band.
	ColumnsCollection columns = band.Columns;

	// You can get a particular column using the column name.
	UltraGridColumn column = columns["CustomerID"];

	// You can access the Header object associated with the column using Header property.
	Infragistics.Win.UltraWinGrid.ColumnHeader colHeader = column.Header;

	// Rows property off the UltraGridBase returns the top most rows.
	RowsCollection rows = this.ultraGrid1.Rows;

	// You can get a row by index.
	UltraGridRow row = rows[0];

	// You can get a cell associated with a row and a column by using Cells property off the row.
	// You can use a column object or a column key as illustrated below.
	UltraGridCell cell = row.Cells[ column ]; // Using a column object.
	cell = row.Cells[ "CustomerID" ];         // Using a column key.

	// These objects also have properties that back-reference the object they belong to or are
	// associated with. Following lines illustrate some of these properties.
	column = cell.Column;			// Get the column cell is associated with.
	row	   = cell.Row;			// Get the row cell is associated with.
	rows   = row.ParentCollection;  		// Get the rows collection the row belongs to.
	column = colHeader.Column;		// Get the column associated with the ColumnHeader object.
	band   = column.Band;			// Get the band associated with the column.
	band   = row.Band;			// Get the band associated with the row.
	layout = column.Layout;			// Get the layout using a column.
	layout = band.Layout;			// Get the layout using a band.
	grid   = layout.Grid;			// Get the grid using a band.
	grid   = cell.Row.Band.Layout.Grid; 	// Get the grid using a cell in a single statement.

}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also