谁能帮我只从 dgv 将选定的行导出到 excle 中。我在下面有用于导入、搜索和导出的代码。但不确定为什么它不只导出选定的行。
私人无效按钮1_Click_1（对象发送者，EventArgs e）
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
//this.textBox1.Text = openFileDialog1.FileName;
//string PathConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + textBox1.Text + ";Extended Properties=\"Excel 8.0;HDR=Yes:\";";
String PathConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + openFileDialog1.FileName + ";Extended Properties=\"Excel 12.0 XML;HDR=Yes:\";";
OleDbConnection conn = new OleDbConnection(PathConn);
OleDbDataAdapter myDataAdapter = new OleDbDataAdapter("Select * from [Sheet1$]", conn);
DataTable dt = new DataTable();
myDataAdapter.Fill(dt);
dataGridView1.DataSource = dt;
/*Another way
string constr = "Provider = MicroSoft.Jet.OLEDB.4.0; Data Source=" + textBox1.Text + "; Extended Properties =\"Excel 8.0; HDR=Yes;\";";
OleDbConnection con = new OleDbConnection(constr);
OleDbDataAdapter sda = new OleDbDataAdapter("Select * From [" + textBox2.Text + "$]",con);
DataTable dt = new DataTable();
sda.Fill(dt);
dataGridView1.DataSource = dt; */
}
}
private void label1_Click(object sender, EventArgs e)
{
}
private void button2_Click_1(object sender, EventArgs e)
{
dataGridView1.ClearSelection();
dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
try
{
foreach (DataGridViewRow row in dataGridView1.Rows)
{
if (row.Cells["Last Name"].Value.ToString().ToUpperInvariant().Contains(textBox1.Text.ToUpperInvariant()))
{
dataGridView1.Rows[row.Index].Selected = true;
}
else
if (row.Cells["First Name"].Value.ToString().ToUpperInvariant().Contains(textBox1.Text.ToUpperInvariant()))
{
dataGridView1.Rows[row.Index].Selected = true;
}
else
if (row.Cells["Age"].Value.ToString().Equals(textBox1.Text))
{
dataGridView1.Rows[row.Index].Selected = true;
}
else
if (row.Cells["Vendor"].Value.ToString().ToUpperInvariant().Contains(textBox1.Text.ToUpperInvariant()))
{
dataGridView1.Rows[row.Index].Selected = true;
}
}
}
catch (Exception)
{
}
}
private void button3_Click_1(object sender, EventArgs e)
{
Microsoft.Office.Interop.Excel._Application app = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel._Workbook workbook = app.Workbooks.Add(Type.Missing);
Microsoft.Office.Interop.Excel._Worksheet worksheet = null;
app.Visible = true;
worksheet = workbook.Sheets["Sheet1"];
worksheet = workbook.ActiveSheet;
worksheet.Name = "Exported from gridview";
for (int i = 1; i < dataGridView1.Columns.Count + 1; i++)
{
worksheet.Cells[1, i] = dataGridView1.Columns[i - 1].HeaderText;
}
// It's the part which we are interested in
// we just need to change dataGridView1.Rows to dataGridView1.SelectedRows
for (int i = 0; i < dataGridView1.SelectedRows.Count - 1; i++)
{
for (int j = 0; j < dataGridView1.Columns.Count; j++)
{
worksheet.Cells[i + 2, j + 1] = dataGridView1.Rows[i].Cells[j].Value.ToString();
}
}
workbook.SaveAs("c:\\NetProject\\output.xls", Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
//app.Quit();
}