/// <summary>
/// 增加一条数据
/// </summary>
public int Add(LearnSite.Model.Ip model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Ip(");
strSql.Append("Ihid,Inum,Iip)");
strSql.Append(" values (");
strSql.Append("@Ihid,@Inum,@Iip)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Ihid", SqlDbType.Int, 4),
new SqlParameter("@Inum", SqlDbType.Int, 4),
new SqlParameter("@Iip", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.Ihid;
parameters[1].Value = model.Inum;
parameters[2].Value = model.Iip;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(LearnSite.Model.Ip model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Ip set ");
strSql.Append("Ihid=@Ihid,");
strSql.Append("Inum=@Inum,");
strSql.Append("Iip=@Iip");
strSql.Append(" where Iid=@Iid");
SqlParameter[] parameters =
{
new SqlParameter("@Ihid", SqlDbType.Int, 4),
new SqlParameter("@Inum", SqlDbType.Int, 4),
new SqlParameter("@Iip", SqlDbType.NVarChar, 50),
new SqlParameter("@Iid", SqlDbType.Int, 4)
};
parameters[0].Value = model.Ihid;
parameters[1].Value = model.Inum;
parameters[2].Value = model.Iip;
parameters[3].Value = model.Iid;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public LearnSite.Model.Ip GetModel(int Iid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Iid,Ihid,Inum,Iip from Ip ");
strSql.Append(" where Iid=@Iid");
SqlParameter[] parameters =
{
new SqlParameter("@Iid", SqlDbType.Int, 4)
};
parameters[0].Value = Iid;
LearnSite.Model.Ip model = new LearnSite.Model.Ip();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Iid"].ToString() != "")
{
model.Iid = int.Parse(ds.Tables[0].Rows[0]["Iid"].ToString());
}
if (ds.Tables[0].Rows[0]["Ihid"].ToString() != "")
{
model.Ihid = int.Parse(ds.Tables[0].Rows[0]["Ihid"].ToString());
}
if (ds.Tables[0].Rows[0]["Inum"].ToString() != "")
{
model.Inum = int.Parse(ds.Tables[0].Rows[0]["Inum"].ToString());
}
model.Iip = ds.Tables[0].Rows[0]["Iip"].ToString();
return(model);
}
else
{
return(null);
}
}