public string[] readSQLHead()
{
SQLdispose myDispose = new SQLdispose();
string[] myStr = myDispose.readeColumn();
return(myStr);
}
public void appendData(string column, string values)
{
//string column = "DataTime,PH,B_ID";
//string values = "2018/04/12,3.65,30";
SQLdispose myDispose = new SQLdispose();
myDispose.appendData(column, values);
}
//读取数据库中上一次存入的数据（末尾13行）
public DataTable readSQL()
{
DataTable mytable = new DataTable();
SQLdispose myDispose = new SQLdispose();
string strSQL = "select top 14 * from DataInfo order by id desc ";
mytable = myDispose.ExecuteWithReturn(strSQL);
int ccc = 0;
return(mytable);
}
//向数据库中追加一table的数据
public void appendDataToSQL(List <upDate> rb)
{
int bengCount = 14;
count++;
Console.WriteLine("@@@" + DateTime.Now.ToString());
DataTable sqlTable = new DataTable();
//从数据库中读取bengCount条数据
string strSQL = "select top 14 * from DataInfo order by id desc ";
SQLdispose myDispose = new SQLdispose();
sqlTable = myDispose.ExecuteWithReturn(strSQL);
//读取字段
foreach (DataRow nowRow in sqlTable.Rows)
{
int num222 = Convert.ToInt32(nowRow["ID"]) + bengCount;
nowRow["ID"] = num222;
nowRow["DateTime"] = DateTime.Now;
}
for (int i = 0; i < rb.Count; i++)
{
string[] str3 = rb[i].key.Split('.');
if (sqlTable.Columns.Contains(str3[2]) == false)
{//如果数据表有没有该tag列，在表中新增一列
sqlTable.Columns.Add(str3[2], typeof(string));
}
// string coulumName = str3[2];
foreach (DataRow nowRow in sqlTable.Rows)
{
if (str3[1] == nowRow["bengName"].ToString().Trim())
{//如果泵站名在该row（行），则将数据更新到表中对应位置
//nowRow["PH"] = 3.1516;
nowRow[str3[2]] = rb[i].Value;
break;
}
}
}
DataView dv = new DataView(sqlTable);
dv.Sort = "id asc";
sqlTable = dv.ToTable();
//DataTable ceshiTable = sqlTable;
myDispose.appendToSQL(sqlTable);
// return true;
}
