using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace Ex16_49
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
SqlConnection sqlcon = new SqlConnection("Data Source=(local);Database=db_16;Uid=sa;Pwd=");
SqlDataAdapter myda;
DataSet myds;
private void Form1_Load(object sender, EventArgs e)
{
myda = new SqlDataAdapter("select * from tb_43_44", sqlcon);
myds = new DataSet();
sqlcon.Open();
myda.Fill(myds);
sqlcon.Close();
dataGridView1.DataSource = myds.Tables[0];
}
private void button1_Click(object sender, EventArgs e)
{
ExportDataGridview(dataGridView1, true);
}
public bool ExportDataGridview(DataGridView dgv, bool isShowExcle)
{
if (dgv.Rows.Count == 0)
return false;
//建立Excel对象
Excel.Application excel = new Excel.Application();
excel.Application.Workbooks.Add(true);
excel.Visible = isShowExcle;
//生成字段名称
for (int i = 0; i < dgv.ColumnCount; i++)
{
excel.Cells[1, i + 1] = dgv.Columns[i].HeaderText;
}
//填充数据
for (int i = 0; i < dgv.RowCount - 1; i++)
{
for (int j = 0; j < dgv.ColumnCount; j++)
{
if (dgv[j, i].ValueType == typeof(string))
{
excel.Cells[i + 2, j + 1] = "'" + dgv[j, i].Value.ToString();
}
else
{
excel.Cells[i + 2, j + 1] = dgv[j, i].Value.ToString();
}
}
}
return true;
}
}
}