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RepositoryItemLookUpEdit.GetDataSourceRowIndex(LookUpColumnInfo, Object) Method

Returns the visible index of the row in a data source that contains the specified value in the specified column.

Namespace: DevExpress.XtraEditors.Repository

Assembly: DevExpress.XtraEditors.v24.1.dll

NuGet Package: DevExpress.Win.Navigation


public virtual int GetDataSourceRowIndex(
    LookUpColumnInfo column,
    object value


Name Type Description
column LookUpColumnInfo

A LookUpColumnInfo object that is the column whose values will be compared with the specified value to locate the required row.

value Object

A value contained in the required row in the specified column.


Type Description

An integer value that is the row’s zero-based visible index in the data source. -1 if the row was not found.


The index returned can be used to obtain the row’s specific value via the RepositoryItemLookUpEdit.GetDataSourceValue method.

To get the index of a specific row in the underlying data source, use the RepositoryItemLookUpEdit.GetListSourceIndex method.

using System;
using System.Windows.Forms;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;

namespace DXApplication23 {
    public partial class Form1 : DevExpress.XtraEditors.XtraForm {
        public Form1() {
            lookUpEdit1.Properties.DataSource = Employee.GetSampleData();
            // Sets the lookup's data fields.
            lookUpEdit1.Properties.DisplayMember = "FullName";
            lookUpEdit1.Properties.ValueMember = "ID";
            // Sets the lookup's value. Selects the first record.
            lookUpEdit1.EditValue = 0;
        int GetLastNameRowIndex(string lastName) {
            return lookUpEdit1.Properties.GetDataSourceRowIndex(lookUpEdit1.Properties.Columns["LastName"], lastName);
    public class Employee {
        public Employee(int iD, string firstName, string lastName) {
            ID = iD;
            FirstName = firstName;
            LastName = lastName;
        public static List<Employee> GetSampleData() {
            return new List<Employee>() {
            new Employee(0, "Bart", "Arnaz"),
            new Employee(1, "Leah", "Simpson"),
            new Employee(2, "Arnold", "Schwartz"),
            new Employee(3, "William", "Zimmer"),
            new Employee(4, "Samantha", "Piper")
        // The 'ID' field must contain unique values.
        public int ID { get; private set; }
        public string FirstName { get; set; }
        public string LastName { get; set; }
        [Display(Order = -1)]
        public string FullName {
            get {
                return string.Format("{0} {1}", FirstName, LastName);
See Also