read column A from excell and post column B in datagrid

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I 'm pretty new to c# and try to look for a solution to create a little first app with excel.

What I try to do is to make a order list and later I want to export to PDF.

Step 1 scan a barcode and post to first column in data grid
Step 2 search the barcode in excel and post back the description into the datagrid column 3
Step 3 enter the Qty en jump back to txt box 1

C#

sing System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void orderArtikelNummerTextBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Enter)
            {                
//Move to Qty
                orderQtyTextBox.Focus();
                e.Handled = true;
                orderQtyTextBox.Select(0, orderQtyTextBox.Text.Length);

            }
        }

        private void orderQtyTextBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Enter)
            {
// check excell for valeu and post to column 3 !!!TODO!!!
//Post textboxes in grid and create new line
                DataGridViewRow row = new DataGridViewRow();
                row.CreateCells(this.orderDataGridView, productNameTextBox.Text, orderQtyTextBox.Text);
                this.orderDataGridView.Rows.Add(row);
                
//Move to Artikelnummer
                productNameTextBox.Focus();
                e.Handled = true;
                productNameTextBox.Select(0, productNameTextBox.Text.Length);
            }
        }

example of excel:

(A1)12345 (B1) some description of the product

Any suggestions?
I search 't google codeproject etc.. but can 't find any readable solution

thnks

Posted 21-Jan-13 11:10am

bart.janssen

Updated 21-Jan-13 11:19am

v2

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bart.janssen · Answer 1 · 2013-01-31T09:31:00

private Microsoft.Office.Interop.Excel.Range GetSpecifiedRange(string matchStr, Microsoft.Office.Interop.Excel.Worksheet objWs)
        {
            object missing = System.Reflection.Missing.Value;
            Microsoft.Office.Interop.Excel.Range currentFind = null;
            //Microsoft.Office.Interop.Excel.Range firstFind = null;
            currentFind = objWs.get_Range("A1", "AM100").Find(matchStr, missing,
                           Microsoft.Office.Interop.Excel.XlFindLookIn.xlValues,
                           Microsoft.Office.Interop.Excel.XlLookAt.xlPart,
                           Microsoft.Office.Interop.Excel.XlSearchOrder.xlByRows,
                           Microsoft.Office.Interop.Excel.XlSearchDirection.xlNext, false, missing, missing);
            return currentFind;
        }
 
        private void orderArtikelNummerTextBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Enter)
            {
                //post data into 
               
               //Move to Qty
                orderQtyTextBox.Focus();
                e.Handled = true;
                orderQtyTextBox.Select(0, orderQtyTextBox.Text.Length);
            }
        }
        private void orderQtyTextBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Enter)
            {
                string File_name = "E:\\catalog.xls";
                Microsoft.Office.Interop.Excel.Application oXL = new Microsoft.Office.Interop.Excel.Application();
                Microsoft.Office.Interop.Excel.Workbook oWB;
                Microsoft.Office.Interop.Excel.Worksheet oSheet;
                try
                {
                    //Move to Artikelnummer
                    orderArtikelNummerTextBox.Focus();
                    e.Handled = true;
                    orderArtikelNummerTextBox.Select(0, orderArtikelNummerTextBox.Text.Length);
                  
                    //start search excell
                    object missing = System.Reflection.Missing.Value;
                    oWB = oXL.Workbooks.Open(File_name, missing, missing, missing, missing,
                        missing, missing, missing, missing, missing, missing,
                        missing, missing, missing, missing);
                    oSheet = (Microsoft.Office.Interop.Excel.Worksheet)oWB.Worksheets[1];
                    Microsoft.Office.Interop.Excel.Range oRng = GetSpecifiedRange(orderArtikelNummerTextBox.SelectedText, oSheet);
                    if (oRng != null)
                    {
                        MessageBox.Show("Text found, position is Row:" + oRng.Row + " and column:" + oRng.Column);
                        
                        DataGridViewRow row = new DataGridViewRow();
                        row.CreateCells(this.orderDataGridView, orderArtikelNummerTextBox.Text, orderQtyTextBox.Text);
                        this.orderDataGridView.Rows.Add(row); 
                        
                        
                        //orderDataGridView.Rows[0].Cells[0].Value = orderArtikelNummerTextBox.Text;
                        //orderDataGridView.Rows[+1].Cells[0 + 2].Value = orderQtyTextBox.Text;
                                            }
                    else
                    {
                        MessageBox.Show("Text is not found"); 
                    }
                    oWB.Close(false, missing, missing);
                    oSheet = null;
                    oWB = null;
                    oXL.Quit();
                }
                catch (Exception ex)
                {
                    {
                        MessageBox.Show(" Exception caught." + ex);
                    }
                }
            }
        }

Okay found how to read excel and get row and column number

Any suggestion how to count with the column number, Lets say +1 and than ask to excell the new counted column?

kind regards