/// <summary>
/// 更新一条数据
/// </summary>
public void Update(LearnSite.Model.Typer model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Typer set ");
strSql.Append("Ttype=@Ttype,");
strSql.Append("Tuse=@Tuse,");
strSql.Append("Ttitle=@Ttitle,");
strSql.Append("Tcontent=@Tcontent");
strSql.Append(" where Tid=@Tid ");
SqlParameter[] parameters =
{
new SqlParameter("@Tid", SqlDbType.Int, 4),
new SqlParameter("@Ttype", SqlDbType.SmallInt, 2),
new SqlParameter("@Tuse", SqlDbType.Int, 4),
new SqlParameter("@Ttitle", SqlDbType.NVarChar, 100),
new SqlParameter("@Tcontent", SqlDbType.NText)
};
parameters[0].Value = model.Tid;
parameters[1].Value = model.Ttype;
parameters[2].Value = model.Tuse;
parameters[3].Value = model.Ttitle;
parameters[4].Value = model.Tcontent;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(LearnSite.Model.Typer model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Typer(");
strSql.Append("Ttype,Tuse,Ttitle,Tcontent)");
strSql.Append(" values (");
strSql.Append("@Ttype,@Tuse,@Ttitle,@Tcontent)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Ttype", SqlDbType.SmallInt, 2),
new SqlParameter("@Tuse", SqlDbType.Int, 4),
new SqlParameter("@Ttitle", SqlDbType.NVarChar, 100),
new SqlParameter("@Tcontent", SqlDbType.NText)
};
parameters[0].Value = model.Ttype;
parameters[1].Value = model.Tuse;
parameters[2].Value = model.Ttitle;
parameters[3].Value = model.Tcontent;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 随机得到一个对象实体
/// </summary>
public LearnSite.Model.Typer GetModelRnd(string tids)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("SELECT TOP 1 Tid,Ttype,Tuse,Ttitle,Tcontent FROM Typer ");
string wherestr = " WHERE Tid in (" + tids + ")";
if (tids != "")
{
strSql.Append(wherestr);//如果指定文章，则查询指定文章
}
strSql.Append(" ORDER BY NewID() ");
LearnSite.Model.Typer model = new LearnSite.Model.Typer();
DataSet ds = DbHelperSQL.Query(strSql.ToString());
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Tid"].ToString() != "")
{
model.Tid = int.Parse(ds.Tables[0].Rows[0]["Tid"].ToString());
}
if (ds.Tables[0].Rows[0]["Ttype"].ToString() != "")
{
model.Ttype = int.Parse(ds.Tables[0].Rows[0]["Ttype"].ToString());
}
if (ds.Tables[0].Rows[0]["Tuse"].ToString() != "")
{
model.Tuse = int.Parse(ds.Tables[0].Rows[0]["Tuse"].ToString());
}
model.Ttitle = ds.Tables[0].Rows[0]["Ttitle"].ToString();
model.Tcontent = ds.Tables[0].Rows[0]["Tcontent"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public LearnSite.Model.Typer GetModel(int Tid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Tid,Ttype,Tuse,Ttitle,Tcontent from Typer ");
strSql.Append(" where Tid=@Tid ");
SqlParameter[] parameters =
{
new SqlParameter("@Tid", SqlDbType.Int, 4)
};
parameters[0].Value = Tid;
LearnSite.Model.Typer model = new LearnSite.Model.Typer();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Tid"].ToString() != "")
{
model.Tid = int.Parse(ds.Tables[0].Rows[0]["Tid"].ToString());
}
if (ds.Tables[0].Rows[0]["Ttype"].ToString() != "")
{
model.Ttype = int.Parse(ds.Tables[0].Rows[0]["Ttype"].ToString());
}
if (ds.Tables[0].Rows[0]["Tuse"].ToString() != "")
{
model.Tuse = int.Parse(ds.Tables[0].Rows[0]["Tuse"].ToString());
}
model.Ttitle = ds.Tables[0].Rows[0]["Ttitle"].ToString();
model.Tcontent = ds.Tables[0].Rows[0]["Tcontent"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// ����õ�һ������ʵ��
/// </summary>
public LearnSite.Model.Typer GetModelRnd()
{
StringBuilder strSql = new StringBuilder();
strSql.Append("SELECT TOP 1 Tid,Ttype,Tuse,Ttitle,Tcontent FROM Typer ");
strSql.Append(" ORDER BY NewID() ");
LearnSite.Model.Typer model = new LearnSite.Model.Typer();
DataSet ds = DbHelperSQL.Query(strSql.ToString());
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Tid"].ToString() != "")
{
model.Tid = int.Parse(ds.Tables[0].Rows[0]["Tid"].ToString());
}
if (ds.Tables[0].Rows[0]["Ttype"].ToString() != "")
{
model.Ttype = int.Parse(ds.Tables[0].Rows[0]["Ttype"].ToString());
}
if (ds.Tables[0].Rows[0]["Tuse"].ToString() != "")
{
model.Tuse = int.Parse(ds.Tables[0].Rows[0]["Tuse"].ToString());
}
model.Ttitle = ds.Tables[0].Rows[0]["Ttitle"].ToString();
model.Tcontent = ds.Tables[0].Rows[0]["Tcontent"].ToString();
return model;
}
else
{
return null;
}
}
/// <summary>
/// �õ�һ������ʵ��
/// </summary>
public LearnSite.Model.Typer GetModel(int Tid)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select top 1 Tid,Ttype,Tuse,Ttitle,Tcontent from Typer ");
strSql.Append(" where Tid=@Tid ");
SqlParameter[] parameters = {
new SqlParameter("@Tid", SqlDbType.Int,4)};
parameters[0].Value = Tid;
LearnSite.Model.Typer model=new LearnSite.Model.Typer();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if(ds.Tables[0].Rows.Count>0)
{
if(ds.Tables[0].Rows[0]["Tid"].ToString()!="")
{
model.Tid=int.Parse(ds.Tables[0].Rows[0]["Tid"].ToString());
}
if(ds.Tables[0].Rows[0]["Ttype"].ToString()!="")
{
model.Ttype=int.Parse(ds.Tables[0].Rows[0]["Ttype"].ToString());
}
if(ds.Tables[0].Rows[0]["Tuse"].ToString()!="")
{
model.Tuse=int.Parse(ds.Tables[0].Rows[0]["Tuse"].ToString());
}
model.Ttitle=ds.Tables[0].Rows[0]["Ttitle"].ToString();
model.Tcontent=ds.Tables[0].Rows[0]["Tcontent"].ToString();
return model;
}
else
{
return null;
}
}
