/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Hch.iDisk.Model.Tag model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Tag set ");
#warning 系统发现缺少更新的字段，请手工确认如此更新是否正确！
strSql.Append("TName=@TName,");
strSql.Append("TUserId=@TUserId,");
strSql.Append("TFileId=@TFileId");
strSql.Append(" where TName=@TName and TUserId=@TUserId and TFileId=@TFileId ");
SqlParameter[] parameters =
{
new SqlParameter("@TName", SqlDbType.VarChar, 20),
new SqlParameter("@TUserId", SqlDbType.Int, 4),
new SqlParameter("@TFileId", SqlDbType.Int, 4)
};
parameters[0].Value = model.TName;
parameters[1].Value = model.TUserId;
parameters[2].Value = model.TFileId;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public void Add(Hch.iDisk.Model.Tag model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Tag(");
strSql.Append("TName,TUserId,TFileId)");
strSql.Append(" values (");
strSql.Append("@TName,@TUserId,@TFileId)");
SqlParameter[] parameters =
{
new SqlParameter("@TName", SqlDbType.VarChar, 20),
new SqlParameter("@TUserId", SqlDbType.Int, 4),
new SqlParameter("@TFileId", SqlDbType.Int, 4)
};
parameters[0].Value = model.TName;
parameters[1].Value = model.TUserId;
parameters[2].Value = model.TFileId;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Hch.iDisk.Model.Tag GetModel(string TName, int TUserId, int TFileId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 TName,TUserId,TFileId from Tag ");
strSql.Append(" where TName=@TName and TUserId=@TUserId and TFileId=@TFileId ");
SqlParameter[] parameters =
{
new SqlParameter("@TName", SqlDbType.VarChar, 20),
new SqlParameter("@TUserId", SqlDbType.Int, 4),
new SqlParameter("@TFileId", SqlDbType.Int, 4)
};
parameters[0].Value = TName;
parameters[1].Value = TUserId;
parameters[2].Value = TFileId;
Hch.iDisk.Model.Tag model = new Hch.iDisk.Model.Tag();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["TName"] != null)
{
model.TName = ds.Tables[0].Rows[0]["TName"].ToString();
}
if (ds.Tables[0].Rows[0]["TUserId"].ToString() != "")
{
model.TUserId = int.Parse(ds.Tables[0].Rows[0]["TUserId"].ToString());
}
if (ds.Tables[0].Rows[0]["TFileId"].ToString() != "")
{
model.TFileId = int.Parse(ds.Tables[0].Rows[0]["TFileId"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// �õ�һ������ʵ��
/// </summary>
public Hch.iDisk.Model.Tag GetModel(string TName,int TUserId,int TFileId)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select top 1 TName,TUserId,TFileId from Tag ");
strSql.Append(" where TName=@TName and TUserId=@TUserId and TFileId=@TFileId ");
SqlParameter[] parameters = {
new SqlParameter("@TName", SqlDbType.VarChar,20),
new SqlParameter("@TUserId", SqlDbType.Int,4),
new SqlParameter("@TFileId", SqlDbType.Int,4)};
parameters[0].Value = TName;
parameters[1].Value = TUserId;
parameters[2].Value = TFileId;
Hch.iDisk.Model.Tag model=new Hch.iDisk.Model.Tag();
DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
if(ds.Tables[0].Rows.Count>0)
{
if(ds.Tables[0].Rows[0]["TName"]!=null)
{
model.TName=ds.Tables[0].Rows[0]["TName"].ToString();
}
if(ds.Tables[0].Rows[0]["TUserId"].ToString()!="")
{
model.TUserId=int.Parse(ds.Tables[0].Rows[0]["TUserId"].ToString());
}
if(ds.Tables[0].Rows[0]["TFileId"].ToString()!="")
{
model.TFileId=int.Parse(ds.Tables[0].Rows[0]["TFileId"].ToString());
}
return model;
}
else
{
return null;
}
}
