1、表格常用处理

.gitignore

+################################################################################
+# 此 .gitignore 文件已由 Microsoft(R) Visual Studio 自动创建。
+################################################################################
+
+/FunnyPick/.vs/FunnyPick/v16/Server/sqlite3
+/FunnyPick/.vs/FunnyPick/v16/.suo

.vs/VSWorkspaceState.json

+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "PreviewInSolutionExplorer": false
+}
\ No newline at end of file

FunnyPick/FunnyPick.sln

+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29411.108
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FunnyPick", "FunnyPick\FunnyPick.csproj", "{74FE44AE-D01E-41FC-9DD1-65A5DA2CFC7B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{74FE44AE-D01E-41FC-9DD1-65A5DA2CFC7B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{74FE44AE-D01E-41FC-9DD1-65A5DA2CFC7B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{74FE44AE-D01E-41FC-9DD1-65A5DA2CFC7B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{74FE44AE-D01E-41FC-9DD1-65A5DA2CFC7B}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A677CBE6-FA1C-41E0-9F04-546808BA8B2D}
+	EndGlobalSection
+EndGlobal

FunnyPick/FunnyPick/EasyDataTable.cs

+using System;
+using System.Data;
+using System.Linq;
+
+namespace FunnyPick
+{
+
+    /// <summary>
+    /// Author : tr 
+    /// <para>For reference only</para>
+    /// </summary>
+    public class EasyDataTable
+    {
+
+        //1. When you need a dictionary
+        public void Example1()
+        {
+            //a temporary table
+            DataTable dt = new DataTable()
+            {
+                TableName = "Example",
+                Columns = {
+                    { "Name", typeof(string)},
+                    { "Value", typeof(string)},
+                },
+                Rows = {
+                    { "FtpUrl", "ftp://192.168.1.2:21" },
+                    { "HttpUrl", "http://192.168.1.2:8000/ftproot/erp" },
+                }
+            };
+            //turn it into a dictionary
+            var dic = dt.Rows.Cast<DataRow>().ToDictionary(x => x[0].ToString(), x => x[1].ToString());
+
+            //result : {}
+        }
+
+
+        //2. When you need a string
+        public void Example2()
+        {
+            //a temporary table
+            DataTable dt = new DataTable()
+            {
+                TableName = "Example",
+                Columns = {
+                    { "ID", typeof(int)},
+                    { "Name", typeof(string)},
+                },
+                Rows = {
+                    { 1, "name1" },
+                    { 2, "name2" },
+                    { 3, "name3" },
+                    { 4, "name2" },
+                    { 5, "name2" },
+                }
+            };
+            //convert to string
+            var list = dt.Select().AsEnumerable().Select(x => x["Name"].ToString()).Distinct();
+            var str = string.Join(",", list);
+
+            // result : "name1,name2,name3"
+        }
+    }
+}

FunnyPick/FunnyPick/FunnyPick.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

FunnyPick/FunnyPick/obj/Debug/netcoreapp3.0/FunnyPick.AssemblyInfo.cs

+//------------------------------------------------------------------------------
+// <auto-generated>
+//     此代码由工具生成。
+//     运行时版本:4.0.30319.42000
+//
+//     对此文件的更改可能会导致不正确的行为，并且如果
+//     重新生成代码，这些更改将会丢失。
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+[assembly: System.Reflection.AssemblyCompanyAttribute("FunnyPick")]
+[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
+[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0")]
+[assembly: System.Reflection.AssemblyProductAttribute("FunnyPick")]
+[assembly: System.Reflection.AssemblyTitleAttribute("FunnyPick")]
+[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
+
+// 由 MSBuild WriteCodeFragment 类生成。
+

FunnyPick/FunnyPick/obj/Debug/netcoreapp3.0/FunnyPick.AssemblyInfoInputs.cache

+784e203cf2a7bf850fa6cdf106cf005dc5483c8c

FunnyPick/FunnyPick/obj/FunnyPick.csproj.nuget.cache

+{
+  "version": 1,
+  "dgSpecHash": "fw80HZqvm5AVgRwJbMlF6y3GYKRDQ1jrGvQ1sh3sZbiI99GtL6KoEjTsP3CBjWXIjs3fgrgf8hRx5j+6D1vZjA==",
+  "success": true
+}
\ No newline at end of file

FunnyPick/FunnyPick/obj/FunnyPick.csproj.nuget.dgspec.json

+{
+  "format": 1,
+  "restore": {
+    "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\FunnyPick.csproj": {}
+  },
+  "projects": {
+    "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\FunnyPick.csproj": {
+      "version": "1.0.0",
+      "restore": {
+        "projectUniqueName": "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\FunnyPick.csproj",
+        "projectName": "FunnyPick",
+        "projectPath": "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\FunnyPick.csproj",
+        "packagesPath": "C:\\Users\\Feteto\\.nuget\\packages\\",
+        "outputPath": "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\obj\\",
+        "projectStyle": "PackageReference",
+        "fallbackFolders": [
+          "C:\\Program Files\\dotnet\\sdk\\NuGetFallbackFolder"
+        ],
+        "configFilePaths": [
+          "C:\\Users\\Feteto\\AppData\\Roaming\\NuGet\\NuGet.Config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+        ],
+        "originalTargetFrameworks": [
+          "netcoreapp3.0"
+        ],
+        "sources": {
+          "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {},
+          "https://api.nuget.org/v3/index.json": {}
+        },
+        "frameworks": {
+          "netcoreapp3.0": {
+            "projectReferences": {}
+          }
+        },
+        "warningProperties": {
+          "warnAsError": [
+            "NU1605"
+          ]
+        }
+      },
+      "frameworks": {
+        "netcoreapp3.0": {
+          "imports": [
+            "net461",
+            "net462",
+            "net47",
+            "net471",
+            "net472",
+            "net48"
+          ],
+          "assetTargetFallback": true,
+          "warn": true,
+          "frameworkReferences": {
+            "Microsoft.NETCore.App": {
+              "privateAssets": "all"
+            }
+          },
+          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\3.0.100\\RuntimeIdentifierGraph.json"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file

FunnyPick/FunnyPick/obj/FunnyPick.csproj.nuget.g.props

+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
+    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
+    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">$(UserProfile)\.nuget\packages\</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">C:\Users\Feteto\.nuget\packages\;C:\Program Files\dotnet\sdk\NuGetFallbackFolder</NuGetPackageFolders>
+    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">5.3.0</NuGetToolVersion>
+  </PropertyGroup>
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+</Project>
\ No newline at end of file

FunnyPick/FunnyPick/obj/FunnyPick.csproj.nuget.g.targets

+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+</Project>
\ No newline at end of file

FunnyPick/FunnyPick/obj/project.assets.json

+{
+  "version": 3,
+  "targets": {
+    ".NETCoreApp,Version=v3.0": {}
+  },
+  "libraries": {},
+  "projectFileDependencyGroups": {
+    ".NETCoreApp,Version=v3.0": []
+  },
+  "packageFolders": {
+    "C:\\Users\\Feteto\\.nuget\\packages\\": {},
+    "C:\\Program Files\\dotnet\\sdk\\NuGetFallbackFolder": {}
+  },
+  "project": {
+    "version": "1.0.0",
+    "restore": {
+      "projectUniqueName": "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\FunnyPick.csproj",
+      "projectName": "FunnyPick",
+      "projectPath": "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\FunnyPick.csproj",
+      "packagesPath": "C:\\Users\\Feteto\\.nuget\\packages\\",
+      "outputPath": "D:\\source\\Ftt_Common\\FunnyPick\\FunnyPick\\obj\\",
+      "projectStyle": "PackageReference",
+      "fallbackFolders": [
+        "C:\\Program Files\\dotnet\\sdk\\NuGetFallbackFolder"
+      ],
+      "configFilePaths": [
+        "C:\\Users\\Feteto\\AppData\\Roaming\\NuGet\\NuGet.Config",
+        "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+      ],
+      "originalTargetFrameworks": [
+        "netcoreapp3.0"
+      ],
+      "sources": {
+        "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {},
+        "https://api.nuget.org/v3/index.json": {}
+      },
+      "frameworks": {
+        "netcoreapp3.0": {
+          "projectReferences": {}
+        }
+      },
+      "warningProperties": {
+        "warnAsError": [
+          "NU1605"
+        ]
+      }
+    },
+    "frameworks": {
+      "netcoreapp3.0": {
+        "imports": [
+          "net461",
+          "net462",
+          "net47",
+          "net471",
+          "net472",
+          "net48"
+        ],
+        "assetTargetFallback": true,
+        "warn": true,
+        "frameworkReferences": {
+          "Microsoft.NETCore.App": {
+            "privateAssets": "all"
+          }
+        },
+        "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\3.0.100\\RuntimeIdentifierGraph.json"
+      }
+    }
+  }
+}
\ No newline at end of file