UltraGrid中的组合框 [英] ComboBox in UltraGrid

问题描述

我必须对使用Infragistics NetAdvantage 2006的旧VB.NET应用程序(Visual Studio 2003)进行一些维护.

I have to do some maintenance on an old VB.NET application (Visual Studio 2003) that uses Infragistics NetAdvantage 2006.

我需要在现有的UltraGrid控件中添加一列.此新列必须像ComboBox一样，允许从值列表中进行选择.

I need to add a column to an existing UltraGrid control. This new column must act like a ComboBox, allowing the selection from a list of values.

我添加了新列，并将Style设置为DropDownValidate.我创建了一个ValueList并将其分配给新列.

I added the new column, and set the Style to DropDownValidate. I created a ValueList and assigned it to the new column.

在运行时，我没有得到预期的结果.我想念什么?

At run-time I don't get the expected results. What am I missing?

推荐答案

类似的方法应该对您有用:

Something like this should work for you:

var dataTable = new DataTable( "Table1" );
dataTable.Columns.Add( "Column1" );
dataTable.Rows.Add( dataTable.NewRow() );

ultraGrid1.DataSource = dataTable;

var valueList = new ValueList();
valueList.ValueListItems.Add( "dataValue1" , "displayText1" );
valueList.ValueListItems.Add( "dataValue2" , "displayText2" );
valueList.ValueListItems.Add( "dataValue3" , "displayText3" );

ultraGrid1.DisplayLayout.Bands[0].Columns[0].ValueList = valueList;

// Setting the ColumnStyle to DropDownList ensures that the user will not 
// be able to type in the cell (exclude this line if you want to allow typing)
ultraGrid1.DisplayLayout.Bands[0].Columns[0].Style = ColumnStyle.DropDownList;
// Setting the ButtonDisplayStyle to Always ensures that the UltraGridColumn 
// always displays as a ComboBox and not just when the mouse hovers over it
ultraGrid1.DisplayLayout.Bands[0].Columns[0].ButtonDisplayStyle = Infragistics.Win.UltraWinGrid.ButtonDisplayStyle.Always;

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