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Problem saving excel file after inserting data


Problem saving excel file after inserting data

By : user3861899
Date : November 21 2020, 07:01 PM
I think the issue was by ths following , You are opening the workbook using the file name named 'appxls' as read-only. (The ReadOnly parameter of the Workbooks.Open method is the third parameter, and you are passing in true.)
You are later using the Workbook.SaveAs method, but are attempting to save the file using the same exact file name held by your 'appxls' variable that you used to open the workbook. This is an attempt to overwrite the read-only file that you have open, and, therefore, is prevented.
code :


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How to upload a excel's data into a List or DataTable without saving and then deleting the excel file?

How to upload a excel's data into a List or DataTable without saving and then deleting the excel file?


By : Tresa
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Its doable, but it depends on the type of Excel file.
If its a CSV, you can use a StreamReader on the response stream to parse the CSV line by line. You can then use the TextFieldParser (don't be scared by VisualBasic in the namespace!) to parse the CSV from the stream. Here's a link with some info about the TFP.
Problem while saving the Excel template 2003 in Excel 2007 in c# (Vsto)

Problem while saving the Excel template 2003 in Excel 2007 in c# (Vsto)


By : viktormihalyi
Date : March 29 2020, 07:55 AM
wish of those help You can ignore this error (if you are sure of what you are doing) with:
code :
excel = new Microsoft.Office.Interop.Excel.ApplicationClass();    
excel.DisplayAlerts = False
excel.DisplayAlerts = True
Inserting multiple textbox data into an Excel file

Inserting multiple textbox data into an Excel file


By : Rohit Khavanekar
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Like I mentioned that you don't need to use a loop. See this example
Let's say your form looks like this.
code :
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Excel = Microsoft.Office.Interop.Excel;

Namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        Microsoft.Office.Interop.Excel.Application xlexcel;
        Microsoft.Office.Interop.Excel.Workbook xlWorkBook;
        Microsoft.Office.Interop.Excel.Worksheet xlWorkSheet;
        object misValue = System.Reflection.Missing.Value;

        Public Form1()
        {
            InitializeComponent();
        }

        //~~> Open File
        private void button1_Click(object sender, EventArgs e)
        {
            xlexcel = new Excel.Application();

            xlexcel.Visible = true;

            // Open a File
            xlWorkBook = xlexcel.Workbooks.Open("C:\\MyFile.xlsx", 0, true, 5, "", "", true,
            Microsoft.Office.Interop.Excel.XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0);

            xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);

            xlWorkSheet.Cells[1, 1] = "FirstName";
            xlWorkSheet.Cells[1, 2] = "LastName";
            xlWorkSheet.Cells[1, 3] = "JobTitle";
            xlWorkSheet.Cells[1, 4] = "Address";
        }

        //~~> Add Data
        private void button2_Click(object sender, EventArgs e)
        {
            int _lastRow = xlWorkSheet.Range["A" + xlWorkSheet.Rows.Count].End[Excel.XlDirection.xlUp].Row + 1 ;

            xlWorkSheet.Cells[_lastRow, 1] = textBox1.Text;
            xlWorkSheet.Cells[_lastRow, 2] = textBox2.Text;
            xlWorkSheet.Cells[_lastRow, 3] = textBox3.Text;
            xlWorkSheet.Cells[_lastRow, 4] = textBox4.Text;
        }

        //~~> Once done close and quit Excel
        private void button3_Click(object sender, EventArgs e)
        {
            xlWorkBook.Close(true, misValue, misValue);
            xlexcel.Quit();

            releaseObject(xlWorkSheet);
            releaseObject(xlWorkBook);
            releaseObject(xlexcel);
        }

        private void releaseObject(object obj)
        {
            try
            {
                System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
                obj = null;
            }
            catch (Exception ex)
            {
                obj = null;
                MessageBox.Show("Unable to release the Object " + ex.ToString());
            }
            finally
            {
                GC.Collect();
            }
        }
    }
}
int _lastRow = xlWorkSheet.Cells[xlWorkSheet.Rows.Count,
               1].End[Excel.XlDirection.xlUp].Row + 1;
int _lastRow = xlWorkSheet.Cells.Find(
                                      "*",
                                      xlWorkSheet.Cells[1,1],
                                      Excel.XlFindLookIn.xlFormulas,
                                      Excel.XlLookAt.xlPart,
                                      Excel.XlSearchOrder.xlByRows,
                                      Excel.XlSearchDirection.xlPrevious,
                                      misValue,
                                      misValue,
                                      misValue
                                      ).Row + 1 ;
Inserting to excel file data from result set in ms access

Inserting to excel file data from result set in ms access


By : nipun gogia
Date : March 29 2020, 07:55 AM
help you fix your problem You can use EasyXLS library to export the result set to the Excel file. Check some source code sample here.
Exporting grid data to excel. Open excel file before before saving

Exporting grid data to excel. Open excel file before before saving


By : Wozza
Date : March 29 2020, 07:55 AM
wish helps you Before running the Export method open a SaveFileDialog and ask your users where they want to save the incoming file. Then use the user selection replacing your hardcoded filename
code :
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
    Using sfd = New SaveFileDialog()
        sfd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments)
        sfd.AddExtension = True
        sfd.Filter = "Excel file (*.xls, *.xlsx)|*.xls;*.xlsx"
        If DialogResult.OK = sfd.ShowDialog() Then
            Me.UltraGridExcelExporter1.Export(Me.grdiView1, sfd.Filename)
            if DialogResult.Yes = MessageBox.Show("Do you want to open the file", "Excel", MessageBoxButtons.YesNo Then
                System.Diagnostics.Process.Start(sfd.FileName)
            End If 
        End If
    End Using 
End Sub
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