/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(ExchangeClassEntity model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update sns_exchangeClass set ");
strSql.Append("ClassName=@ClassName,");
strSql.Append("ClassId=@ClassId,");
strSql.Append("Reserved=@Reserved,");
strSql.Append("Status=@Status");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@ClassName", SqlDbType.VarChar, 50),
new SqlParameter("@ClassId", SqlDbType.Int, 4),
new SqlParameter("@Reserved", SqlDbType.VarChar, 50),
new SqlParameter("@Status", SqlDbType.Int, 4),
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = model.ClassName;
parameters[1].Value = model.ClassId;
parameters[2].Value = model.Reserved;
parameters[3].Value = model.Status;
parameters[4].Value = model.Id;
int rows = SqlHelper.Instance.ExecSqlNonQuery(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(ExchangeClassEntity model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into sns_exchangeClass(");
strSql.Append("ClassName,ClassId,Reserved,Status)");
strSql.Append(" values (");
strSql.Append("@ClassName,@ClassId,@Reserved,@Status)");
strSql.Append(";select @@IDENTITY");
strSql.Append(";select LAST_INSERT_ROWID()");
SqlParameter[] parameters =
{
new SqlParameter("@ClassName", SqlDbType.VarChar, 50),
new SqlParameter("@ClassId", SqlDbType.Int, 4),
new SqlParameter("@Reserved", SqlDbType.VarChar, 50),
new SqlParameter("@Status", SqlDbType.Int, 4)
};
parameters[0].Value = model.ClassName;
parameters[1].Value = model.ClassId;
parameters[2].Value = model.Reserved;
parameters[3].Value = model.Status;
object obj = SqlHelper.Instance.ExecSqlScalar(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ExchangeClassEntity DataRowToModel(DataRow row)
{
ExchangeClassEntity model = new ExchangeClassEntity();
if (row != null)
{
if (row["Id"] != null && row["Id"].ToString() != "")
{
model.Id = int.Parse(row["Id"].ToString());
}
if (row["ClassName"] != null)
{
model.ClassName = row["ClassName"].ToString();
}
if (row["ClassId"] != null && row["ClassId"].ToString() != "")
{
model.ClassId = int.Parse(row["ClassId"].ToString());
}
if (row["Reserved"] != null)
{
model.Reserved = row["Reserved"].ToString();
}
if (row["Status"] != null && row["Status"].ToString() != "")
{
model.Status = int.Parse(row["Status"].ToString());
}
}
return(model);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(ExchangeClassEntity model)
{
try
{
return(ExchangeClassDb.Instance.Update(model));
}
catch (System.Exception ex)
{
WriteLog.WriteError(ex);
throw ex;
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ExchangeClassEntity GetModel(int Id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,ClassName,ClassId,Reserved,Status from sns_exchangeClass ");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = Id;
ExchangeClassEntity model = new ExchangeClassEntity();
DataSet ds = SqlHelper.Instance.ExecSqlDataSet(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
