private void btn_calculation_Click(object sender, EventArgs e)
{
//开始汇总
int date_count = 0;
List <string> date_list = null;
switch (lbl_tablename.Text)
{
case "WATERRETRIEVAL":
//处在选择的时间范围内的天数
date_count = DataBaseOperate.get_DateCount(dT_maize_s.Value, dT_maize_e.Value, "WATERRETRIEVAL_PLOT");
//获取具体的时间列表
date_list = DataBaseOperate.get_DateDetail(dT_maize_s.Value, dT_maize_e.Value, "WATERRETRIEVAL_PLOT");
break;
case "CHLOROPHYLLRETRIEVAL":
date_count = DataBaseOperate.get_DateCount(dT_maize_s.Value, dT_maize_e.Value, "CHLOROPHYLLRETRIEVAL_PLOT");
//获取具体的时间列表
date_list = DataBaseOperate.get_DateDetail(dT_maize_s.Value, dT_maize_e.Value, "CHLOROPHYLLRETRIEVAL_PLOT");
break;
case "CROPYIELD":
date_count = DataBaseOperate.get_DateCount(dT_maize_s.Value, dT_maize_e.Value, "CROPYIELD_PLOT");
//获取具体的时间列表
date_list = DataBaseOperate.get_DateDetail(dT_maize_s.Value, dT_maize_e.Value, "CROPYIELD_PLOT");
break;
case "MATUREPERIOD":
date_count = DataBaseOperate.get_DateCount(dT_maize_s.Value, dT_maize_e.Value, "MATUREPERIOD_PLOT");
//获取具体的时间列表
date_list = DataBaseOperate.get_DateDetail(dT_maize_s.Value, dT_maize_e.Value, "MATUREPERIOD_PLOT");
break;
}
//获取Countycount
int Countycount = AggregateToCounty.getCountyCount();
//获取具体的CountyCode
List <string> CountyCode_list = AggregateToCounty.get_CountyCode();
//获取CropCount
int CropCount = DataBaseOperate.get_CropCount();
//获取具体的CropCode
List <string> CropCode_list = DataBaseOperate.get_CropCode();
//开始汇总
if (date_count != 0)
{
for (int i = 0; i < date_count; i++) //datetime循环
{
for (int j = 0; j < Countycount; j++) //villagecode循环
{
for (int k = 0; k < CropCount; k++) //crop_count循环
{
//输入查询限制条件，执行存储过程
SqlParameter[] param = new SqlParameter[] {
new SqlParameter("@time", Convert.ToDateTime(date_list[i])),
new SqlParameter("@code", CropCode_list[k]),
new SqlParameter("@countycode", CountyCode_list[j]),
new SqlParameter("@sum_result", SqlDbType.Float)
};
param[3].Direction = ParameterDirection.Output;
string value = "";
switch (lbl_tablename.Text)
{
//计算汇总结果，并加入到datatable中
case "WATERRETRIEVAL":
value = AggregateToCounty.get_CountyValue("calc_county_WATERRETRIEVAL", param);
break;
case "CHLOROPHYLLRETRIEVAL":
value = AggregateToCounty.get_CountyValue("calc_county_CHLOROPHYLLRETRIEVAL", param);
break;
case "CROPYIELD":
value = AggregateToCounty.get_CountyValue("calc_county_CROPYIELD", param);
break;
case "MATUREPERIOD":
value = AggregateToCounty.get_CountyValue("calc_county_MATUREPERIOD", param);
break;
}
if (value != "")
{
DataRow row = dt.NewRow();
row["农场"] = DataBaseOperate.getCountyName(CountyCode_list[j]);
row["监测时间"] = Convert.ToDateTime(date_list[i]).ToShortDateString();
row["作物类型"] = DataBaseOperate.get_CropCHName(CropCode_list[k]);
row["汇总结果"] = float.Parse(value);
row["汇总时间"] = DateTime.Now.ToShortDateString();
dt.Rows.Add(row);
}
}
}
}
if (dt.Rows.Count == 0)
{
MessageBox.Show("请检查输入条件或统计数据！");
}
else
{
dataGridView1.DataSource = dt;
}
}
else
{
MessageBox.Show("此时间段内，没有统计数据！");
}
InitDataSet();
}
