Use Dev LookUpEidt

Dev Control

LookUpEdit assignment example

Example 1: Add a column Value

DataTable dt = new DataTable ();

Dt. Columns. Add ("membership level", typeof (string ));

Dt. Rows. Add ("Level 1 ");

Dt. Rows. Add ("Level 2 ");

Dt. Rows. Add ("Level 3 ");

This. chkbMembersLevel. Properties. Columns. Add (new DevExpress. XtraEditors. Controls. LookUpColumnInfo ("member level", "member level "));

This. chkbMembersLevel. Properties. DataSource = dt;

This. chkbMembersLevel. Properties. DisplayMember = "member level ";

Example 2: Add a two-column Value

DataTable dt = new DataTable ();

Dt. Columns. Add ("ID", typeof (int ));

Dt. Columns. Add ("Name", typeof (string ));

Dt. Rows. Add (1, "Name 1 ");

Dt. Rows. Add (2, "name 2 ");

Dt. Rows. Add (3, "Name 3 ");

This. lookUpEdit1.Properties. Columns. Add (new DevExpress. XtraEditors. Controls. LookUpColumnInfo ("ID", "ID "));

This. lookUpEdit1.Properties. Columns. Add (new DevExpress. XtraEditors. Controls. LookUpColumnInfo ("Name", "Name "));

This. lookUpEdit1.Properties. DataSource = dt;

// DisplayMember attribute, displayed Value

This. lookUpEdit1.Properties. DisplayMember = "Name ";

// ValueMember attribute, actual value

This. lookUpEdit1.Properties. ValueMember = "ID ";

DEV LookUpEdit drop-down list

DevExpress. XtraEditors. LookUpEdit

Set some important Properties in Properties

ValueMember attribute, actual value

DisplayMember attribute, displayed Value

NullText attribute, default attribute value, such as "select ",

ShowFooter attribute, set to false

ShowHeader attribute, set to false

PopupFormMinSize attribute, set the width of the pop-up item