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| using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using Excel = Microsoft.Office.Interop.Excel;
//
using System.IO;
namespace csv_dataGrid
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.DataGrid dataGrid1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.dataGrid1 = new System.Windows.Forms.DataGrid();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
this.SuspendLayout();
//
// dataGrid1
//
this.dataGrid1.DataMember = "";
this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGrid1.Location = new System.Drawing.Point(8, 40);
this.dataGrid1.Name = "dataGrid1";
this.dataGrid1.Size = new System.Drawing.Size(540, 327);
this.dataGrid1.TabIndex = 0;
//
// button1
//
this.button1.Location = new System.Drawing.Point(251, 8);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(145, 24);
this.button1.TabIndex = 2;
this.button1.Text = "Importer_Excel";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(16, 8);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(142, 24);
this.button2.TabIndex = 3;
this.button2.Text = "Importer_CSV";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(594, 379);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.dataGrid1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Load(object sender, System.EventArgs e)
{
// on cree une table
DataTable dt = new DataTable("test");
// on cree les colonnes
dt.Columns.Add("t1",System.Type.GetType("System.String"));
dt.Columns.Add("i1",System.Type.GetType("System.Int32"));
dt.Columns.Add("t2",System.Type.GetType("System.String"));
// on insert une nvelle ligne
DataRow dr = dt.NewRow();
dr["t1"] = "test01";
dr["i1"] = 10;
dr["t2"] = "test02";
// on ajoute la ligne
dt.Rows.Add(dr);
// on affiche la table
dataGrid1.DataSource = dt;
}
private void button1_Click(object sender, System.EventArgs e)
{
// on cree une table
DataTable dt = new DataTable("test");
// on cree les colonnes
dt.Columns.Add("t1", System.Type.GetType("System.String"));
dt.Columns.Add("t2", System.Type.GetType("System.String"));
dt.Columns.Add("t3", System.Type.GetType("System.String"));
// on lit et on insert une nvelle ligne
Excel.Application xlApp;
Excel.Workbook xlWorkBook;
Excel.Worksheet xlWorkSheet;
Excel.Range range;
string str1, str2, str3;
int rCnt = 0;
xlApp = new Excel.ApplicationClass();
xlWorkBook = xlApp.Workbooks.Open("C:/Documents and Settings/zakaria/Bureau/lecture-fichier-csv-et-affichage-dans-un-datagrid/bin/Debug/fichier.xlsx", 0, true, 5, "", "", true, Microsoft.Office.Interop.Excel.XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0);
int nbr_xlWorkSheet = xlWorkBook.Worksheets.Count;
for (int k = 1; k <= nbr_xlWorkSheet; k++)
{
xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(k);
range = xlWorkSheet.UsedRange;
for (rCnt = 1; rCnt <= range.Rows.Count; rCnt++)
{
str1 = (string)(range.Cells[rCnt, 1] as Excel.Range).Value2;
str2 = (string)(range.Cells[rCnt, 2] as Excel.Range).Value2;
str3 = (string)(range.Cells[rCnt, 3] as Excel.Range).Value2;
DataRow dr = dt.NewRow();
dr["t1"] = str1;
dr["t2"] = str2;
dr["t3"] = str3;
// on ajoute la ligne
dt.Rows.Add(dr);
}
dataGrid1.DataSource = dt;
releaseObject(xlWorkSheet);
}
xlWorkBook.Close(false, null, null);
xlApp.Quit();
//releaseObject(xlWorkSheet);
releaseObject(xlWorkBook);
releaseObject(xlApp);
}
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();
}
}
private void button2_Click(object sender, System.EventArgs e)
{
// on cree une table
DataTable dt = new DataTable("test");
// on cree les colonnes
dt.Columns.Add("t1",System.Type.GetType("System.String"));
// on lit et on insert une nvelle ligne
StreamReader fichier = File.OpenText("fichier.csv");
while(fichier.Peek() >= 0)
{
// on lit 1 ligne et on ajoute
string ligne = fichier.ReadLine();
string[] vals = ligne.Split(';');
DataRow dr = dt.NewRow();
dr["t1"] = ligne.ToString();
// on ajoute la ligne
dt.Rows.Add(dr);
}
fichier.Close();
// on genere le tableau
dataGrid1.DataSource = dt;
}
private void button3_Click(object sender, EventArgs e)
{
dataGrid1.Controls.Clear();
}
}
} |
