/// <summary>
/// 增加排序条件（可以改进查找匹配算法？）
/// </summary>
/// <param name="sqlExpression"></param>
public void Add(PageSort pagesort)
{
#region
for (int i = 0; i < this.Count; i++)
{
if (pagesort._FieldName
== ((PageSort)List[i])._FieldName)
{
ExtConsole.WriteWithColor("不能重复添加排序字段!");
return;
}
}
List.Add(pagesort);
#endregion
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public override String ToString()
{
#region
string orderby = "";
string format = "";
if (this != null)
{
for (int i = 0; i < this.Count; i++)
{
PageSort pagesort = this[i];
format = (i == 0) ? "{0} {1}" : ",{0} {1}";
orderby += string.Format(format,
pagesort._FieldName, getAscOrDesc(pagesort._OrderBy));
}
if (this.Count > 0)
{
orderby = string.Format("order by {0}", orderby);
}
}
return(orderby);
#endregion
}