System.Exception: Cannot insert the value NULL into column 'id', table 'news.dbo.ipstr'; column does not allow nulls. INSERT fails.
The statement has been terminated.
at SqlOperate.SqlHelper.ExecuteNonQuery(String connectionString, CommandType cmdType, String cmdText, SqlParameter[] commandParameters)
at Huamu.News.NewsSearch.Set_ipstr()
at Huamu.News.NewsSearch.Page_Load(Object sender, EventArgs e)
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