/// <summary>
/// 求总记录数
/// </summary>
/// <param name="_fname"></param>
/// <returns></returns>
private string GetCountData(string _fname)
{
if (this.FieldsDictionary.ContainsKey(_fname))
{
RealColumnDefine _col = this.FieldsDictionary[_fname];
DataTable _dt = this.QueryResultData.Tables[_col.TableName];
return(_dt.Compute(string.Format("count({0})", _col.ColumnName), "").ToString());
}
else
{
return("");
}
}
/// <summary>
/// 求总和
/// </summary>
/// <param name="_fname"></param>
/// <returns></returns>
private string GetSumData(string _fname)
{
if (this.FieldsDictionary.ContainsKey(_fname))
{
RealColumnDefine _col = this.FieldsDictionary[_fname];
DataTable _dt = this.QueryResultData.Tables[_col.TableName];
if (_dt.Columns[_col.ColumnName].DataType == typeof(decimal))
{
return(_dt.Compute(string.Format("sum({0})", _col.ColumnName), "").ToString());
}
return("");
}
else
{
return("");
}
}
