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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Data.OleDb;
using System.Windows.Forms;
namespace Excel_to_DGV
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void browse_Click(object sender, EventArgs e)
{
OpenFileDialog opf = new OpenFileDialog();
opf.Filter = "Taблицы Excel'2007 (*.xlsx)|*.xlsx| Таблицы Excel'97 (*.xls)|*.xls|All files (*.*)|*.*";
opf.RestoreDirectory = false;
if (opf.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
this.txtPath.Text = opf.FileName;
}
}
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 dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
}
private void txtPath_TextChanged(object sender, EventArgs e)
{
txtPath.Size = new Size(450, 60);
}
private void textTill_TextChanged(object sender, EventArgs e)
{
}
private void clear_Click(object sender, EventArgs e)
{
txtSheet.Clear();
txtPath.Clear();
txtFrom.Clear();
txtTill.Clear();
//dataGridView1.Rows.Clear();
dataGridView1.Columns.Clear();
}
private void button4_Click(object sender, EventArgs e)
{
}
private void label1_Click(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void tabPage1_Click(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
try
{
string range = "SELECT * FROM " + "[" + txtSheet.Text + "$" + "A" + txtFrom.Text + ":" + "D" + txtTill.Text + "]";
//подключение к сборке Microsoft Excel Driver v12 ACEODBC
string constr = "Provider=Microsoft.ACE.OleDb.12.0;Data Source=" + txtPath.Text + ";Extended Properties='Excel 12.0 XML;HDR=YES;IMEX=1';";
System.Data.OleDb.OleDbConnection con = new System.Data.OleDb.OleDbConnection(constr);
con.Open();
//объявление DataSet
DataSet ds = new DataSet();
//Объявление DataTable
DataTable schemaTable = con.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
string sheet1 = (string)schemaTable.Rows[0].ItemArray[2];
string select = String.Format(range, sheet1); //SELECT * FROM [Calculating$A1:D10]
System.Data.OleDb.OleDbDataAdapter ad = new System.Data.OleDb.OleDbDataAdapter(select, con);
ad.Fill(ds);
DataTable tb = ds.Tables[0];
con.Close();
con.Dispose();
dataGridView1.DataSource = tb;
}
catch
{
MessageBox.Show("ERROR!");
}
}
}
} |
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