在DataGridView中实现增删改查

[{"title":"（ 29 个子文件 75KB ） 在DataGridView中实现增删改查","children":[{"title":"在DataGridView中进行增删改查","children":[{"title":"练习","children":[{"title":"练习","children":[{"title":"bin","children":[{"title":"Debug","children":[{"title":"练习.exe <span style='color:#111;'> 26.00KB </span>","children":null,"spread":false},{"title":"练习.vshost.exe <span style='color:#111;'> 13.99KB </span>","children":null,"spread":false},{"title":"练习.xml <span style='color:#111;'> 114B </span>","children":null,"spread":false},{"title":"练习.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false},{"title":"练习.pdb <span style='color:#111;'> 57.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Form1.vb <span style='color:#111;'> 5.46KB </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"Debug","children":[{"title":"练习.exe <span style='color:#111;'> 26.00KB </span>","children":null,"spread":false},{"title":"ResolveAssemblyReference.cache <span style='color:#111;'> 11.54KB </span>","children":null,"spread":false},{"title":"练习.exe.licenses <span style='color:#111;'> 1.00KB </span>","children":null,"spread":false},{"title":"练习.xml <span style='color:#111;'> 114B </span>","children":null,"spread":false},{"title":"TempPE","children":[{"title":"My Project.Resources.Designer.vb.dll <span style='color:#111;'> 7.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"练习.vbproj.FileListAbsolute.txt <span style='color:#111;'> 1.23KB </span>","children":null,"spread":false},{"title":"练习.vbproj.GenerateResource.Cache <span style='color:#111;'> 847B </span>","children":null,"spread":false},{"title":"练习.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"练习.Form1.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"练习.pdb <span style='color:#111;'> 57.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"练习.vbproj <span style='color:#111;'> 5.47KB </span>","children":null,"spread":false},{"title":"My Project","children":[{"title":"AssemblyInfo.vb <span style='color:#111;'> 1.30KB </span>","children":null,"spread":false},{"title":"Settings.Designer.vb <span style='color:#111;'> 2.96KB </span>","children":null,"spread":false},{"title":"Application.myapp <span style='color:#111;'> 510B </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 279B </span>","children":null,"spread":false},{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Resources.Designer.vb <span style='color:#111;'> 2.73KB </span>","children":null,"spread":false},{"title":"Application.Designer.vb <span style='color:#111;'> 1.47KB </span>","children":null,"spread":false},{"title":"licenses.licx <span style='color:#111;'> 262B </span>","children":null,"spread":false}],"spread":true},{"title":"Form1.resx <span style='color:#111;'> 5.68KB </span>","children":null,"spread":false},{"title":"Form1.Designer.vb <span style='color:#111;'> 4.30KB </span>","children":null,"spread":false}],"spread":true},{"title":"练习.suo <span style='color:#111;'> 20.00KB </span>","children":null,"spread":false},{"title":"练习.sln <span style='color:#111;'> 908B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]