C#中读取excel文件中数据并导入dataGridView添加读取ProgressBar进度及当前读取条目挨个

[{"title":"（ 32 个子文件 69KB ） C#中读取excel文件中数据并导入dataGridView添加读取ProgressBar进度及当前读取条目挨个","children":[{"title":"dataGridView数据导入进度条","children":[{"title":"工作簿1.xlsx <span style='color:#111;'> 9.02KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条","children":[{"title":"dataGridView数据导入进度条.sln <span style='color:#111;'> 1.04KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.v12.suo <span style='color:#111;'> 29.00KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条","children":[{"title":"Form1.Designer.cs <span style='color:#111;'> 4.87KB </span>","children":null,"spread":false},{"title":"Program.cs <span style='color:#111;'> 545B </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"Debug","children":[{"title":"dataGridView数据导入进度条.csprojResolveAssemblyReference.cache <span style='color:#111;'> 5.44KB </span>","children":null,"spread":false},{"title":"TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.pdb <span style='color:#111;'> 27.50KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.exe <span style='color:#111;'> 19.00KB </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferencesInput.cache <span style='color:#111;'> 7.29KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.Form1.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.csproj.GenerateResource.Cache <span style='color:#111;'> 977B </span>","children":null,"spread":false},{"title":"TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferences.cache <span style='color:#111;'> 865B </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.Properties.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.csproj.FileListAbsolute.txt <span style='color:#111;'> 1.67KB </span>","children":null,"spread":false}],"spread":false}],"spread":true},{"title":"bin","children":[{"title":"Debug","children":[{"title":"dataGridView数据导入进度条.vshost.exe.config <span style='color:#111;'> 187B </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.exe.config <span style='color:#111;'> 187B </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.pdb <span style='color:#111;'> 27.50KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.vshost.exe <span style='color:#111;'> 23.66KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.exe <span style='color:#111;'> 19.00KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Form1.cs <span style='color:#111;'> 4.11KB </span>","children":null,"spread":false},{"title":"dataGridView数据导入进度条.csproj <span style='color:#111;'> 3.97KB </span>","children":null,"spread":false},{"title":"Form1.resx <span style='color:#111;'> 6.08KB </span>","children":null,"spread":false},{"title":"App.config <span style='color:#111;'> 187B </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"AssemblyInfo.cs <span style='color:#111;'> 1.38KB </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;'> 2.85KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}]