private SegmentRmsClass GetTableValue(String idfFilePath, String tableName, String condition)
{
SegmentRmsClass srCls = new SegmentRmsClass();
srCls.tableName = tableName;
using (OleDbConnection sqlconn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + idfFilePath + ";Persist Security Info=True"))
{
String sSQL = "select Id,KiloMeter,Speed,Segment_RMS,Segment_RMS_Peak,valid from " + tableName + condition;
OleDbCommand sqlcom = new OleDbCommand(sSQL, sqlconn);
sqlconn.Open();
OleDbDataReader sdr = sqlcom.ExecuteReader();
while (sdr.Read())
{
SegmentRmsItemClass segmentRmsItemCls = new SegmentRmsItemClass();
segmentRmsItemCls.id = (int.Parse(sdr.GetValue(0).ToString()));
segmentRmsItemCls.kiloMeter = (float.Parse(sdr.GetValue(1).ToString()));
segmentRmsItemCls.speed = (float.Parse(sdr.GetValue(2).ToString()));
segmentRmsItemCls.segmentRms = (float.Parse(sdr.GetValue(3).ToString()));
segmentRmsItemCls.segmentRmsPeak = (float.Parse(sdr.GetValue(4).ToString()));
segmentRmsItemCls.valid = (int.Parse(sdr.GetValue(5).ToString()));
segmentRmsItemCls.channelName = tableName;
srCls.segmentRmsItemClsList.Add(segmentRmsItemCls);
}
sdr.Close();
sqlconn.Close();
}
return(srCls);
}
/// <summary>
/// 从大到小排序
/// </summary>
/// <param name="segment1">第一个</param>
/// <param name="segment2">第二个</param>
/// <returns></returns>
public int CompareByKiloMeter(SegmentRmsItemClass segment1, SegmentRmsItemClass segment2)
{
if (segment1 == null)
{
if (segment2 == null)
{
return(0);
}
return(1);
}
if (segment2 == null)
{
return(-1);
}
int retval = segment1.kiloMeter.CompareTo(segment2.kiloMeter);
return(retval);
}