下拉列表中实现绑定多个数据字段(完整版)

}
public event System.EventHandler OpenSearchForm;
public bool AutoComplete
{
get
{
return _AutoComplete;
// If the column string is blank, leave it blank.
// The default width will be used for all columns.
if (!Convert.ToBoolean(value.Trim().Length))
{
DrawMode = DrawMode.OwnerDrawVariable;
// If all of your boxes will be RightToLeft, uncomment
// the following line to make RTL the default.
private Collection<string> _ColumnNames = new Collection<string>();
private Collection<int> _ColumnWidths = new Collection<int>();
public MultiColumnComboBox()
}
set
{
_AutoComplete = value;
}
}
public bool AutoDropdown
{
//RightToLeft = RightToLeft.Yes;
// Remove the Context Menu to disable pasting
ContextMenu = new ContextMenu();
{
_ColumnNameString = "";
}
else if (value != null)
{
char[] delimiterChars = { ',', ';', ':lumn string is blank, leave it blank.
// The default width will be used for all columns.
// Most of the important code for this control was
// taken from a control written by Nishant Sivakumar.
// /cs/combobox/DotNetMultiColumnComboBox.asp
using System.Collections;
using System.Collections.ObjectModel;
using ponentModel;
using System.Drawing;
using System.Globalization;
namespace MultiColumnComboBoxDemo
}
}
else // The value is blank
{
throw new NotSupportedException("Column names can not be blank.");
get
{
return _ColumnWidthDefault;
}
set
{
_ColumnWidthDefault = value;
}
}
public Color BackColorEven
{
get
{
return _BackColorEven;
}
{
return _BackColorOdd;
}
set
{
_BackColorOdd = value;
}
}
}
}
public string ColumnWidths
{
get
{
return _ColumnWidthString;
}
public Collection<string> ColumnNameCollection
{
get
{
return _ColumnNames;
}
}
{
if (!DesignMode)
{
_ColumnNames.Add(s.Trim());
//
// Bugfixes or Suggestions can be sent to dcaillouet@
//显示多列combobox，设置AutoComplete=true;AutoDropDown=true;
using System;
using System.Windows.Forms;
}
}
_ColumnNameString = value;
}
}
}
public Collection<int> ColumnWidthCollection
{
public class MultiColumnComboBox : ComboBox
{
private bool _AutoComplete;
private bool _AutoDropdown;
private Color _BackColorEven = Color.White;
set
{
_BackColorEven = value;
}
}
public Color BackColorOdd
{
get
{
get
{
return _ColumnWidths;
}
}
public int ColumnWidthDefault
{
get
{
return _AutoDropdown;
}
set
{
_AutoDropdown = value;
private Color _BackColorOdd = Color.White;
private string _ColumnNameString = "";
private int _ColumnWidthDefault = 75;
private string _ColumnWidthString = "";
string[] columnNames = value.Split(delimiterChars);
if (!DesignMode)
{
_ColumnNames.Clear();
private int _LinkedColumnIndex;
private TextBox _LinkedTextBox;
private int _TotalWidth = 0;
private int _ValueMemberColumnIndex = 0;
foreach (string s in columnNames)
{
// Does it have length?
if (Convert.ToBoolean(s.Trim().Length))
public string ColumnNames
{
get
{
return _ColumnNameString;
}
set
{
}
// After splitting the string into an array, iterate
// through the strings and check that they're all valid.