/// <summary>
/// Creates the csv header
/// </summary>
/// <param name="page">The page configuration</param>
/// <param name="allColumns">signal if all exportable columns will be included in the csv</param>
/// <param name="separator">The list separator</param>
/// <returns>The csv header</returns>
protected virtual string CreateHeader(Page page, bool allColumns, string separator)
{
StringBuilder response = new StringBuilder();
if (allColumns)
{
IList <PageField> fields = GetExportableFields(page);
foreach (PageField field in fields)
{
string fieldName = field.FieldName;
if (!string.IsNullOrEmpty(field.DropDownInfo) && !string.IsNullOrEmpty(field.JoinInfo))
{
Entity joinInfo = EntityUtils.GetJoinInfoEntity(field);
string[] joinFields = joinInfo.GetProperty("JoinFields").Split(',');
foreach (string alias in joinFields)
{
response.Append("\"").Append(EntityUtils.GetAliasName(alias).Replace("\"", "\"\"")).Append("\"").Append(separator);
}
}
else
{
response.Append("\"").Append(field.Label.Replace("\"", "\"\"")).Append("\"").Append(separator);
}
}
}
else
{
foreach (PageGridColumn col in page.GridFields)
{
response.Append("\"").Append(col.ColumnLabel).Append("\"").Append(separator);
}
}
response.Remove(response.Length - separator.Length, separator.Length);
response.Append(System.Environment.NewLine);
return(response.ToString());
}
