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lookUpEdit赋值 举例

例子1：添加一列值
DataTable dt = new DataTable();
dt.Columns.Add("会员等级", typeof(string));
dt.Rows.Add("等级一");
dt.Rows.Add("等级2");
dt.Rows.Add("等级3");
this.chkbMembersLevel.Properties.Columns.Add(new DevExpress.XtraEditors.Controls.LookUpColumnInfo("会员等级", "会员等级"));
this.chkbMembersLevel.Properties.DataSource = dt;
this.chkbMembersLevel.Properties.DisplayMember = "会员等级";

例子2： 添加二列值
DataTable dt = new DataTable();
dt.Columns.Add("ID", typeof(int));
dt.Columns.Add("Name", typeof(string));
dt.Rows.Add(1, "名称1");
dt.Rows.Add(2, "名称2");
dt.Rows.Add(3, "名称3");
this.lookUpEdit1.Properties.Columns.Add(new DevExpress.XtraEditors.Controls.LookUpColumnInfo("ID", "ID"));
this.lookUpEdit1.Properties.Columns.Add(new DevExpress.XtraEditors.Controls.LookUpColumnInfo("Name", "名称"));
this.lookUpEdit1.Properties.DataSource = dt;
//DisplayMember属性，显示的值
this.lookUpEdit1.Properties.DisplayMember = "Name";
//ValueMember属性，实际的值
this.lookUpEdit1.Properties.ValueMember = "ID";

DEV LookUpEdit下拉框总结
DevExpress.XtraEditors.LookUpEdit
设定Properties中一些重要的属性
ValueMember属性，实际的值
DisplayMember属性，显示的值
NullText属性，默认的属性值,如“请选择”，
ShowFooter属性，设定为false
ShowHeader属性，设定为false
PopupFormMinSize属性，设定弹出的项的宽度