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#TA
dataGridView双缓冲双buffer代码
在form_load方法中添加一下代码 双缓冲:Typetype=dataGridView_items.GetType();System.Reflection.PropertyInfopi=type.GetProperty("DoubleBuffered",System.Reflection.BindingF...
开发笔记
·
2024-02-02
dataGridView
缓冲
buffer
代码
dataset导入导出xml
dataset导入xml DataSetdt=BLL.TestClass.Getusers();dt.WriteXml("d:/xml.xml",XmlWriteMode.WriteSchema);xml导入dataset DataSetdsNew=newDataSet();ds...
开发笔记
·
2024-02-01
dataset
导入
导出
xml
C#从数据库读取数据到DataSet并保存到xml文件的方法
DataSet有一个WriteXml方法可以直接将数据保存到xml文件usingSystem;usingSystem.Data;usingSystem.Xml;usingSystem.Data.SqlClient;usingSystem.IO;publicclassTestWriteXML{publicstaticvo...
开发笔记
·
2023-12-25
数据库
读取
数据
DataSet
保存
git 报错 fatal: bad object refs/remotes/origin/xxx 解决方法
git拉取时报错fatal:badobjectrefs/remotes/origin/xxxerror:xxxxxdidnotsendallnecessaryobjects 解决方法,到项目的.git 目录下进入refs/remotes/origin/删除所有内容 重新拉取,成功...
开发笔记
·
2023-10-10
git
报错
fatal
bad
object
datax中sqlserver 数据同步到sqlserver
{"job":{"setting":{"speed":{"channel":5}},"content":[{"reader":{"name":"sqlserverreader","parameter":{"username":"xx","password":"xx","where":"","connection":[{...
开发笔记
·
2023-09-14
sqlserver
datax
数据
同步
ORA-48161: invalid input for ADR instance id
文档解释ORA-48161:invalidinputforADRinstanceidCause:AninvalidinputwaspassedinfortheADRinstanceid.TheADRinstanceidiseitherNULLortoolongofastring.Action:ChecktheADRin...
IT技术学习
·
2023-07-28
ORA-48161
invalid
input
for
ADR
ORA-54531: invalid orientation for element at element offset
文档解释ORA-54531:invalidorientationforelementatelementoffsetCause:Theorientationofthecurrentgeometrywasnotvalid.Action:Reversetheorientationofthegeometry.ORA-54531...
IT技术学习
·
2023-07-28
element
ORA-54531
invalid
orientation
for
ORA-64143: Can only share an existing XMLIndex table with an XMLTYPE column.
文档解释ORA-64143:CanonlyshareanexistingXMLIndextablewithanXMLTYPEcolumn.Cause:AnattemptwasmadetoshareatablewithoutanXMLTYPEcolumn.Action:DropthegroupcontainingtheX...
IT技术学习
·
2023-07-28
an
ORA-64143
Can
only
share
ORA-38471: ROWIDs for table aliases cannot be null
文档解释ORA-38471:ROWIDsfortablealiasescannotbenullCause:Anattemptwasmadetopassanullvalueforthetablealiasattributeinthedataitem,whichisnotpermitted.Action:Passavali...
IT技术学习
·
2023-07-28
ORA-38471
ROWIDs
for
table
aliases
ORA-38810: Implementation restriction: cannot drop edition that has a parent and a child
文档解释ORA-38810:Implementationrestriction:cannotdropeditionthathasaparentandachildCause:Thiserroroccurredbecauseanattemptwasmadetodropaneditionthathasaparentandac...
IT技术学习
·
2023-07-28
ORA-38810
Implementation
restriction
cannot
drop
ORA-53213: cannot access DICOM data with invalid source type
文档解释ORA-53213:cannotaccessDICOMdatawithinvalidsourcetypeCause:AninvalidsourcetypewasstoredinthesourceattributeoftheORDDicomobject.Action:SeetheOracleMultimediad...
IT技术学习
·
2023-07-28
ORA-53213
cannot
access
DICOM
data
ORA-39034: Table string does not exist.
文档解释ORA-39034:Tablestringdoesnotexist.Cause:TheuserreferencedatableinanAPIthatdidnotexist.Action:CorrecttablenameandretryAPI.ORA-39034:Tablestringdoesnotexist.这...
IT技术学习
·
2023-07-28
ORA-39034
Table
string
does
not
ORA-32415: fast refreshable remote materialized view on a detail table with commit SCN-based materialized view log is not supported
文档解释ORA-32415:fastrefreshableremotematerializedviewonadetailtablewithcommitSCN-basedmaterializedviewlogisnotsupportedCause:Thematerializedviewcreationfailedbeca...
IT技术学习
·
2023-07-28
materialized
view
ORA-32415
fast
refreshable
ORA-26028: index string.string initially in unusable state
文档解释ORA-26028:indexstring.stringinitiallyinunusablestateCause:AnindexisinIUstatepriortothebeginningofadirect*pathload,itcannotbemaintainedbytheloader.Action:Eit...
IT技术学习
·
2023-07-28
ORA-26028
index
string.string
initially
in
ORA-38496: Expression Filter index is not in a valid state
文档解释ORA-38496:ExpressionFilterindexisnotinavalidstateCause:AnattemptwasmadetoREBUILDanExpressionFilterindexthatwasnotvalid.Action:UseDEFAULTkeywordintheparamete...
IT技术学习
·
2023-07-28
ORA-38496
Expression
Filter
index
is
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