/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(LearnSite.Model.Chinese model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Chinese set ");
strSql.Append("Ntitle=@Ntitle,");
strSql.Append("Ncontent=@Ncontent");
strSql.Append(" where Nid=@Nid ");
SqlParameter[] parameters =
{
new SqlParameter("@Ntitle", SqlDbType.NVarChar, 50),
new SqlParameter("@Ncontent", SqlDbType.NText),
new SqlParameter("@Nid", SqlDbType.Int, 4)
};
parameters[0].Value = model.Ntitle;
parameters[1].Value = model.Ncontent;
parameters[2].Value = model.Nid;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(LearnSite.Model.Chinese model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Chinese(");
strSql.Append("Ntitle,Ncontent)");
strSql.Append(" values (");
strSql.Append("@Ntitle,@Ncontent)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Ntitle", SqlDbType.NVarChar, 50),
new SqlParameter("@Ncontent", SqlDbType.NText)
};
parameters[0].Value = model.Ntitle;
parameters[1].Value = model.Ncontent;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public LearnSite.Model.Chinese DataRowToModel(DataRow row)
{
LearnSite.Model.Chinese model = new LearnSite.Model.Chinese();
if (row != null)
{
if (row["Nid"] != null && row["Nid"].ToString() != "")
{
model.Nid = int.Parse(row["Nid"].ToString());
}
if (row["Ntitle"] != null)
{
model.Ntitle = row["Ntitle"].ToString();
}
if (row["Ncontent"] != null)
{
model.Ncontent = row["Ncontent"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public LearnSite.Model.Chinese GetModel(int Nid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Nid,Ntitle,Ncontent from Chinese ");
strSql.Append(" where Nid=@Nid ");
SqlParameter[] parameters =
{
new SqlParameter("@Nid", SqlDbType.Int, 4)
};
parameters[0].Value = Nid;
LearnSite.Model.Chinese model = new LearnSite.Model.Chinese();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}