/// <summary>
/// 增加一条数据
/// </summary>
public long Add(Model.S_District model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into S_District(");
strSql.Append("DistrictName,CityID,DateCreated,DateUpdated)");
strSql.Append(" values (");
strSql.Append("@DistrictName,@CityID,@DateCreated,@DateUpdated)");
strSql.Append(";select @@IDENTITY");
Database db = DatabaseFactory.CreateDatabase();
DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
db.AddInParameter(dbCommand, "DistrictName", DbType.String, model.DistrictName);
db.AddInParameter(dbCommand, "CityID", DbType.Int64, model.CityID);
db.AddInParameter(dbCommand, "DateCreated", DbType.DateTime, model.DateCreated);
db.AddInParameter(dbCommand, "DateUpdated", DbType.DateTime, model.DateUpdated);
int result;
object obj = db.ExecuteScalar(dbCommand);
if (!int.TryParse(obj.ToString(), out result))
{
return(0);
}
return(result);
}
/// <summary>
/// 对象实体绑定数据
/// </summary>
public Model.S_District ReaderBind(IDataReader dataReader)
{
Model.S_District model = new Model.S_District();
object ojb;
ojb = dataReader["DistrictID"];
if (ojb != null && ojb != DBNull.Value)
{
model.DistrictID = Convert.ToInt64(ojb);
}
model.DistrictName = dataReader["DistrictName"].ToString();
ojb = dataReader["CityID"];
if (ojb != null && ojb != DBNull.Value)
{
model.CityID = Convert.ToInt64(ojb);
}
ojb = dataReader["DateCreated"];
if (ojb != null && ojb != DBNull.Value)
{
model.DateCreated = (DateTime)ojb;
}
ojb = dataReader["DateUpdated"];
if (ojb != null && ojb != DBNull.Value)
{
model.DateUpdated = (DateTime)ojb;
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.S_District DataRowToModel(DataRow row)
{
Model.S_District model = new Model.S_District();
if (row != null)
{
if (row["DistrictID"] != null && row["DistrictID"].ToString() != "")
{
model.DistrictID = long.Parse(row["DistrictID"].ToString());
}
if (row["DistrictName"] != null)
{
model.DistrictName = row["DistrictName"].ToString();
}
if (row["CityID"] != null && row["CityID"].ToString() != "")
{
model.CityID = long.Parse(row["CityID"].ToString());
}
if (row["DateCreated"] != null && row["DateCreated"].ToString() != "")
{
model.DateCreated = DateTime.Parse(row["DateCreated"].ToString());
}
if (row["DateUpdated"] != null && row["DateUpdated"].ToString() != "")
{
model.DateUpdated = DateTime.Parse(row["DateUpdated"].ToString());
}
}
return(model);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.S_District model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update S_District set ");
strSql.Append("DistrictName=@DistrictName,");
strSql.Append("CityID=@CityID,");
strSql.Append("DateCreated=@DateCreated,");
strSql.Append("DateUpdated=@DateUpdated");
strSql.Append(" where DistrictID=@DistrictID ");
Database db = DatabaseFactory.CreateDatabase();
DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
db.AddInParameter(dbCommand, "DistrictID", DbType.Int64, model.DistrictID);
db.AddInParameter(dbCommand, "DistrictName", DbType.String, model.DistrictName);
db.AddInParameter(dbCommand, "CityID", DbType.Int64, model.CityID);
db.AddInParameter(dbCommand, "DateCreated", DbType.DateTime, model.DateCreated);
db.AddInParameter(dbCommand, "DateUpdated", DbType.DateTime, model.DateUpdated);
int rows = db.ExecuteNonQuery(dbCommand);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.S_District GetModel(long DistrictID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select DistrictID,DistrictName,CityID,DateCreated,DateUpdated from S_District ");
strSql.Append(" where DistrictID=@DistrictID ");
Database db = DatabaseFactory.CreateDatabase();
DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
db.AddInParameter(dbCommand, "DistrictID", DbType.Int64, DistrictID);
Model.S_District model = null;
using (IDataReader dataReader = db.ExecuteReader(dbCommand))
{
if (dataReader.Read())
{
model = ReaderBind(dataReader);
}
}
return(model);
}
