how to read data from excel sheet using c# console application?
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NET 4+ allows C# to read and manipulate Microsoft Excel files, for computers that have Excel installed (if you do not have Excel installed, see NPOI). First, add the reference to Microsoft Excel XX. X Object Library, located in the COM tab of the Reference Manager. I have given this the using alias of Excel.
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['Step 1: Initialize an instance of Workbook and load a sample Excel file. ... ', 'Step 2: Create a new object of Document class, add a table to it, and set the rows and columns number based on the cells range that contains data.']
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To import data from an excel file, first, click on "Microsoft Excel" under the connect tab. It will open a dialog box where you can navigate to the Excel file in your machine from which you want to import the data. Then, click on the file and click on 'Open'.
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Here , we use an OleDbConnection and call ExecuteReader to read each row from the Excel file. DbDataReader dr = command. ExecuteReader(); Then, I create other connection string for SQL Server database to export the data from the Excel sheet to be saved into the desired table.
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['public void readfiles()', '{', 'string[] filePaths = Directory.GetFiles("Your Path");', 'foreach (var filename in filePaths)', '{', 'string file = filename.ToString();', '//Do your job with "file"']
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['Get the reference of Database. Class.forName("com.mysql.jdbc.Driver"); ... ', 'Get the reference of Ms Excel File. static String url = "jdbc:odbc:DRIVER={Microsoft Excel Driver (*.xls)};" + ... ', 'Get the data from a table as ArrayList. ArrayList getDataFromDB(){} ... ', 'Get data from ArrayList and insert into Excel Sheet.']
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['Get the filled Excel sheet from the user machine.', 'Validate the data according to Software Data Model.', 'Save validated data to the database.']
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['Open Microsoft Excel and select a new, blank worksheet.', 'Click File, then select Open.', 'Change the type of file choice to All files.', 'Browse to the file location, select the . ... ', 'The “Text Import Wizard” will open.']
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['Click the Insert tab > Text Group > Object menu and choose Object.', 'From the popup window, click the Create from File tab.', 'Click the Browse button and navigate to the folder where your Excel spreadsheet and chart are located.', 'Double click the Excel file to open it and click OK.']
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['In Project, click File > New.', 'On the New page, click New from Excel workbook.', 'In the Open box, click the arrow next to XML Format, and pick Excel Workbook or Excel 97-2003 Workbook (if your project data is in an earlier file format).', 'Locate and select the workbook you want to import, and click Open.']
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['Read the excel sheet and store it in datatable(Eg:DtTest)', 'Use select query to get the value and assign to datarow. Datarow=DtTest.select("[PT]=\'NTT\' AND [TT]=\'102\' ")', 'Use for each row to get the value.']
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['Using OleDb Connection. string cs=@"provider=Microsoft. Jet. ... ', 'Using Excel Reference Object. Microsoft.Office.Interop.Excel.Application ExcelObj = new Microsoft.Office.Interop.Excel.Application();']
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Steps to export DataTable to an Excel file programmatically: Step 1: Create a new C# console application project. Step 2: Install Syncfusion. XlsIO. WinForms NuGet package as a reference to your .
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["Dim oXLApp as Object 'Declare the object variables.", 'Dim oXLBook as Object.', 'Dim oXLSheet as Object.', 'Set oXLApp = CreateObject("Excel. Application") \'Create a new instance of Excel.', 'If Dir(sFileName) = "" Then.', 'Set oXLBook = oXLApp. Workbooks. ... ', 'Else.', 'Set oXLBook = oXLApp. Workbooks.']
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['Go to click Data > Connections, see screenshot:', 'And then choose the workbook that you want to export its data to current worksheet.', 'After choosing the workbook, please click Open button, and select one worksheet that you want to use.']
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['Step 1: Create a new workbook instance and get the first worksheet. ... ', 'Step 2: Create a new workbook instance and load the sample excel file. ... ', 'Step 3: Get the worksheet where you want to retrieve and extract data from.']
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['Dim oExcel As Object.', 'Dim oBook As Object.', 'Dim oSheet As Object.', 'Set oExcel = CreateObject("Excel. Application")', 'Set oBook = oExcel. Workbooks. Add.', 'With oSheet.', 'For i = 0 To objRs. Fields. Count - 1.', 'oSheet. Cells(1, i + 1). Value = Trim(CStr(objRs. Fields(i). Name))']