限制标题字符串的长度，超过长度的截取并加上"..."

/// <summary>
/// 限制标题字符串的长度，超过长度的截取并加上"..."
/// </summary>
/// <param name="table">datatable对象 </param>
/// <returns>处理后的datatable对象 </returns>
private void SetTitleLength(DataTable table)
{
const int TITLE_MAX_LENGTH = 5;
for (int i = 0; i < table.Rows.Count; i++)
{
DataRow row = table.Rows[i];
if (!row.IsNull("neirong"))
{
string strTitle = row["neirong"].ToString();
if (strTitle.Length > TITLE_MAX_LENGTH)
{
row["neirong"] = strTitle.Substring(0, TITLE_MAX_LENGTH) + "...";
}
}
}
}