/// <summary>
/// Checks value of given column of given row for emptiness,
/// considering value as string. Works with default data row
/// version.
/// </summary>
/// <param name="row">DataRow with values to check.</param>
/// <param name="column">Column name.</param>
/// <returns>
/// Returns true, if value of given column of given row is not empty string,
/// and false otherwise.
/// </returns>
public static bool IsNotEmptyString(DataRow row, string column)
{
if (row == null)
{
throw new ArgumentNullException("row");
}
if (String.IsNullOrEmpty(column))
{
throw new ArgumentException(Resources.Error_EmptyString, "column");
}
return(DataInterpreter.IsNotEmptyString(row, column, DataRowVersion.Default));
}
/// <summary>
/// Writes value of given column of given data row to given string builder with
/// given prefix if this value is not empty string.
/// </summary>
/// <param name="row">Data row to extract value.</param>
/// <param name="column">Column name to look for value.</param>
/// <param name="prefix">Prefix to write.</param>
/// <param name="target">String builder to write.</param>
/// <param name="quote">Indicates if value should be quoted.</param>
public static void WriteIfNotEmptyString(DataRow row, string column, string prefix, StringBuilder target, bool quote)
{
if (row == null)
{
throw new ArgumentNullException("row");
}
if (String.IsNullOrEmpty(column))
{
throw new ArgumentException(Resources.Error_EmptyString, "column");
}
if (target == null)
{
throw new ArgumentNullException("target");
}
if (DataInterpreter.IsNotEmptyString(row, column))
{
if (!String.IsNullOrEmpty(prefix))
{
target.Append(prefix);
}
WriteValue(row, column, target, quote);
}
}