从数据库读取数据到坐标轴为时间的chart显示

[{"title":"（ 29 个子文件 96KB ） 从数据库读取数据到坐标轴为时间的chart显示","children":[{"title":"testChartwithTimeDataAndDB","children":[{"title":"testChartwithTimeDataAndDB.sln <span style='color:#111;'> 920B </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.suo <span style='color:#111;'> 55.50KB </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB","children":[{"title":"Form1.Designer.cs <span style='color:#111;'> 5.47KB </span>","children":null,"spread":false},{"title":"Program.cs <span style='color:#111;'> 507B </span>","children":null,"spread":false},{"title":"Access.cs <span style='color:#111;'> 5.64KB </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"x86","children":[{"title":"Debug","children":[{"title":"testChartwithTimeDataAndDB.pdb <span style='color:#111;'> 35.50KB </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.Form1.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferencesInput.cache <span style='color:#111;'> 6.57KB </span>","children":null,"spread":false},{"title":"Interop.ADOX.dll <span style='color:#111;'> 22.50KB </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.Properties.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.csproj.GenerateResource.Cache <span style='color:#111;'> 975B </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.csproj.ResolveComReference.cache <span style='color:#111;'> 835B </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.exe <span style='color:#111;'> 23.50KB </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferences.cache <span style='color:#111;'> 6.13KB </span>","children":null,"spread":false},{"title":"Interop.ADODB.dll <span style='color:#111;'> 86.50KB </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.csproj.FileListAbsolute.txt <span style='color:#111;'> 2.73KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true},{"title":"bin","children":[{"title":"Debug","children":[{"title":"testChartwithTimeDataAndDB.pdb <span style='color:#111;'> 35.50KB </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false},{"title":"AccessDB","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.exe <span style='color:#111;'> 23.50KB </span>","children":null,"spread":false},{"title":"testChartwithTimeDataAndDB.vshost.exe <span style='color:#111;'> 11.33KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Form1.cs <span style='color:#111;'> 3.85KB </span>","children":null,"spread":false},{"title":"Form1.resx <span style='color:#111;'> 5.68KB </span>","children":null,"spread":false},{"title":"SaveAccessDB.cs <span style='color:#111;'> 5.33KB </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"AssemblyInfo.cs <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false},{"title":"Settings.Designer.cs <span style='color:#111;'> 1.09KB </span>","children":null,"spread":false},{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 249B </span>","children":null,"spread":false},{"title":"Resources.Designer.cs <span style='color:#111;'> 2.84KB </span>","children":null,"spread":false}],"spread":true},{"title":"testChartwithTimeDataAndDB.csproj <span style='color:#111;'> 4.46KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]