//根据查询SQL,产生提供给报表生成需要的 XML 数据，字段值为空也产生数据
public static void FullGenNodeXmlData(HttpResponse Response, string QuerySQL, bool ToCompress)
{
MyDbCommand ReportDataCommand = new MyDbCommand(QuerySQL, ReportConn);
MyDbDataReader ReportDataReader = ReportDataCommand.ExecuteReader();
string Text = XMLReportData.FromDataReader(ReportDataReader);
GridReportDataResponse.Response(Response, Text, ToCompress ? ResponseDataType.ZipBinary : ResponseDataType.PlainText);
}
public virtual string GeneralUpdateRef <T>(T t, List <string> columns, ref IDbDataParameter[] paraArr)
{
if (columns.Count == 0)
{
throw new ArgumentException("no columns");
}
InitDbChar();
string where = "";
Type type = typeof(T);
List <OleDbParameter> list = new List <OleDbParameter>();
string dBDatbelName = type.Name;
string sql = string.Format("update {0}{1}{2} set ", _BeginChar, dBDatbelName, _EndChar);
PropertyInfo[] piArr = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo pi in piArr)
{
if (pi.GetCustomAttributes(typeof(PrimaryKeyAttribute), true).Length > 0)
{
string __fff = GetDefaultValue(pi.PropertyType, pi.GetValue(t, null)).ToString();
if (pi.PropertyType == typeof(string))
{
__fff = string.Format("'{0}'", __fff);
}
where = string.Format(" where {0}{1}{2}={3} ", _BeginChar, pi.Name, _EndChar, __fff);
}
if (pi.GetCustomAttributes(typeof(AutoIncreaseAttribute), true).Length == 0)
{
if (!columns.Contains(pi.Name))
{
continue;
}
sql += string.Format("{0}{1}{2}={3}{1},", _BeginChar, pi.Name, _EndChar, _ParameterChar);
object val = GetDefaultValue(pi.PropertyType, pi.GetValue(t, null));
OleDbParameter olp = new OleDbParameter(string.Format("{0}{1}", _ParameterChar, pi.Name), val);
olp.OleDbType = Convert2DbType(val);
list.Add(olp);
}
}
if (string.IsNullOrEmpty(where))
{
throw new ArgumentException("lost primarykey");
}
sql = sql.TrimEnd(',') + where;
paraArr = list.ToArray();
MyDbCommand cmd = new MyDbCommand(sql, paraArr);
MyDbCommand.Current = cmd;
return(sql);
}
//获取 Count(*) SQL 查询到的数据行数。参数 QuerySQL 指定获取报表数据的查询SQL
public static int BatchGetDataCount(string QuerySQL)
{
int Total = 0;
MyDbCommand ReportDataCommand = new MyDbCommand(QuerySQL, ReportConn);
MyDbDataReader ReportDataReader = ReportDataCommand.ExecuteReader();
if (ReportDataReader.Read())
{
Total = ReportDataReader.GetInt32(0);
}
return(Total);
}
public virtual string GeneralInsertRef <T>(T t, ref IDbDataParameter[] paraArr)
{
InitDbChar();
Type type = typeof(T);
string dBDatbelName = type.Name;;
PropertyInfo[] piArr = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
string sqlColumn = string.Format("insert into {0}{1}{2} (", _BeginChar, dBDatbelName, _EndChar);
string sqlParam = "(";
List <OleDbParameter> list = new List <OleDbParameter>();
foreach (PropertyInfo pi in piArr)
{
if (pi.GetCustomAttributes(typeof(AutoIncreaseAttribute), true).Length > 0)
{
continue;
}
sqlColumn += string.Format("{0}{1}{2},", _BeginChar, pi.Name, _EndChar);
sqlParam += string.Format("{0}{1},", _ParameterChar, pi.Name);
object val = GetDefaultValue(pi.PropertyType, pi.GetValue(t, null));
OleDbParameter olp = new OleDbParameter(string.Format("{0}{1}", _ParameterChar, pi.Name), val);
olp.OleDbType = Convert2DbType(val);
list.Add(olp);
}
sqlColumn = sqlColumn.TrimEnd(',');
sqlParam = sqlParam.TrimEnd(',');
string sql = sqlColumn + ")values" + sqlParam + ")";
paraArr = list.ToArray();
MyDbCommand cmd = new MyDbCommand(sql, paraArr);
MyDbCommand.Current = cmd;
return(sql);
}
