文档解释Errornumber:3041;Symbol:ER_BOOST_GEOMETRY_TURN_INFO_EXCEPTION;SQLSTATE:HY000Message:Geometryturninfocalculationerror:geometrydataisinvalidinfunction%s.：错误说明...

文档解释Errornumber:MY-013302;Symbol:ER_CACHING_SHA2_PASSWORD_SECOND_PASSWORD_USED_INFORMATION;SQLSTATE:HY000Message:Secondpasswordwasusedforloginbyuser:‘%s&#...

文档解释Errornumber:MY-010797;Symbol:ER_NDB_NODE_INFO;SQLSTATE:HY000Message:NDB[%u]:NodeID:%d,%s错误说明:MySQL错误代码MY-010797，错误状态为HY000，错误符号为ER_NDB_NODE_INFO，是由MySQL的NDB...

文档解释Errornumber:MY-013384;Symbol:ER_SERVER_UPGRADE_INFO_FILE;SQLSTATE:HY000Message:Couldnotopenserverupgradeinfofile‘%s’forwriting.Pleasemakesurethe...

文档解释Errornumber:MY-010477;Symbol:ER_NDB_DISCONNECT_INFO;SQLSTATE:HY000Message:tid%u:node[%u]transaction_hint=%u,transaction_no_hint=%u错误说明：MY-010477被称为ER_NDB_DI...

文档解释Errornumber:MY-011726;Symbol:ER_GRP_RPL_MEMBER_STATS_INFO;SQLSTATE:HY000Message:Flowcontrol–updatememberstats:%sstatscertifier_queue%d,applier_queue%d...

文档解释Errornumber:MY-011643;Symbol:ER_GRP_RPL_MEMBER_CONF_INFO;SQLSTATE:HY000Message:Memberconfiguration:member_id:%lu;member_uuid:“%s”;single-primary...

文档解释Errornumber:MY-010405;Symbol:ER_RPL_CANT_OPEN_INFO_TABLE;SQLSTATE:HY000Message:Infotableisnotreadytobeused.Table‘%s.%s’cannotbeopened.错误说明：MY-01...

文档解释Errornumber:MY-010509;Symbol:ER_NDB_CLUSTER_FREE_SHARE_INFO;SQLSTATE:HY000Message:ndbcluster_free_share:%suse_count:%uMY-010509错误属于MySQL的编程错误，属于“NoDBcluster...

文档解释Errornumber:MY-010431;Symbol:ER_RPL_FAILED_TO_OPEN_INFO_FILE;SQLSTATE:HY000Message:Failedtoopentheexistinginfofile(file‘%s’,errno%d)错误说明：ER_RPL_...

文档解释Errornumber:MY-010408;Symbol:ER_RPL_CORRUPTED_KEYS_IN_INFO_TABLE;SQLSTATE:HY000Message:Infotablehasaproblemwithitskeyfield(s).Table‘%s.%s’expect...

文档解释Errornumber:MY-011557;Symbol:ER_GRP_RPL_ADD_GTID_INFO_WITH_REMOTE_GTID_FAILED;SQLSTATE:HY000Message:Unabletoaddgtidinformationtothegroup_gtid_executedsetwhe...

C#WinForm的控件，有两个属性：Anchor：默认是Top、Left，如果我们把四个方向都勾上，则其父控件缩放大小时，其自身也随着缩放大小。Dock：如果我们选择为Fill，其效果和Anchor四个方向都勾上一样。两个属性只能使用一个。但是假如我有两个TextBox时：如果是纵向排列，则高度上，只能有一个Text...

注意是CheckedListBox，不是CheckListBox。for(inti=0;i<checkedListBox.Items.Count;i++){if(checkedListBox.GetItemChecked(i)){result.Add(checkedListBox.GetItemText(chec...

使用.NET开发WinForm应用程序时，如果想要实现某一控件，响应拖拽文件，则需要三步。第一步、将这个控件的AllowDrop设置为true。第二步、为这个控件设置DragEnter事件。privatevoid_list_DragEnter(objectsender,DragEventArgse){if(e.Data...