Util/DataHelper.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;

namespace Util
{
    public class DataHelper
    {
        #region static method GetValue

        /// <summary>
        /// Gets specified field value from the specified DataRowView.
        /// </summary>
        /// <param name="dr">DataRowView from where to get value.</param>
        /// <param name="fieldName">Field name in DataRowView.</param>
        /// <returns>Returns specified field value.</returns>
        public static object GetValue(DataRow dr, string fieldName)
        {
            if (dr == null)
            {
                throw new ArgumentNullException("dr");
            }
            if (fieldName == null)
            {
                throw new ArgumentNullException("fieldName");
            }
            if (fieldName == "")
            {
                throw new ArgumentException("Argument 'fieldName' value must be specified.");
            }
            if (!dr.Table.Columns.Contains(fieldName))
            {
                throw new ArgumentException("Specified fieldName '" + fieldName + "' does not exist in table '" + dr.Table.TableName + "'.");
            }

            return dr[fieldName];
        }

        /// <summary>
        /// Gets specified field value from the specified DataRowView.
        /// </summary>
        /// <param name="dr">DataRowView from where to get value.</param>
        /// <param name="fieldName">Field name in DataRowView.</param>
        /// <returns>Returns specified field value.</returns>
        public static object GetValue(DataRowView dr, string fieldName)
        {
            if (dr == null)
            {
                throw new ArgumentNullException("dr");
            }
            if (fieldName == null)
            {
                throw new ArgumentNullException("fieldName");
            }
            if (fieldName == "")
            {
                throw new ArgumentException("Argument 'fieldName' value must be specified.");
            }