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  • Data gridvie to Execel
    c# 2017. 5. 8. 18:17
    using System;
    using System.Data;
    using System.Windows.Forms;
    using System.Data.SqlClient;
    using Excel = Microsoft.Office.Interop.Excel;
    
    namespace WindowsFormsApplication1
    {
        public partial class Form1 : Form
        {
            public Form1()
            {
                InitializeComponent();
            }
    
            private void button1_Click(object sender, EventArgs e)
            {
                string connectionString = "Data Source=.;Initial Catalog=pubs;Integrated Security=True";
                string sql = "SELECT * FROM Authors";
                SqlConnection connection = new SqlConnection(connectionString);
                SqlDataAdapter dataadapter = new SqlDataAdapter(sql, connection);
                DataSet ds = new DataSet();
                connection.Open();
                dataadapter.Fill(ds, "Authors_table");
                connection.Close();
                dataGridView1.DataSource = ds;
                dataGridView1.DataMember = "Authors_table";
            }
    
            private void button2_Click(object sender, EventArgs e)
            {
                Excel.Application xlApp;
                Excel.Workbook xlWorkBook;
                Excel.Worksheet xlWorkSheet;
                object misValue = System.Reflection.Missing.Value;
    
                Int16 i, j;
    
                xlApp = new Excel.ApplicationClass();
                xlWorkBook = xlApp.Workbooks.Add(misValue);
    
                xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);
    
                for (i = 0; i <= dataGridView1.RowCount - 2; i++)
                {
                    for (j = 0; j <= dataGridView1.ColumnCount - 1; j++)
                    {
                        xlWorkSheet.Cells[i + 1, j + 1] = dataGridView1[j, i].Value.ToString();
                    }
                }
    
                xlWorkBook.SaveAs(@"c:\csharp.net-informations.xls", Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
                xlWorkBook.Close(true, misValue, misValue);
                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("Exception Occured while releasing object " + ex.ToString());
                }
                finally
                {
                    GC.Collect();
                }
            }
        }
    }


    자료 출처:http://csharp.net-informations.com/datagridview/csharp-datagridview-export-excel.htm

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