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//DataGridView数据导出为Excel方法
public bool DataGridViewToExcel(DataGridView dtgv,bool isShowExcel)
{
if (dtgv.Rows.Count == 0)
{
return false;
}
else
{
Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();
excel.Application.Workbooks.Add(true);
excel.Visible = isShowExcel;
for (int i = 0; i < dtgv.ColumnCount;i )
{
excel.Cells[1, i 1] = dtgv.Columns[i].HeaderText;
}
for (int i = 0; i < dtgv.RowCount - 1;i )
{
for (int j = 0; j < dtgv.ColumnCount;j )
{
excel.Cells[i 2, j 1] = dtgv[j, i].Value.ToString();
}
}
return true;
}
}
//Excel数据导入为DataGridView中
public bool ExcelToDataGridView(DataGridView dtgv)
{
string MyFileName="";
OpenFileDialog OFD = new OpenFileDialog();
OFD.Title = "打开excel文件";
OFD.Filter = "excel03文件(*.xls)|*.xls|excel07文件(*.xlsx)|*.xlsx";
OFD.InitialDirectory = @"D:\\";
OFD.RestoreDirectory = true;
if(OFD.ShowDialog()==DialogResult.OK)
{
MyFileName = OFD.FileName;
dtgv.DataSource = GetExcelData(MyFileName);
dtgv.DataMember = "[Sheet1$]";
for (int count = 0; count <= dtgv.Rows.Count - 1;count )
{
dtgv.Rows[count].HeaderCell.Value = (count 1).ToString();
}
}
return true;
}
public static DataSet GetExcelData(string str)
{
string strCon = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" str ";Extended Properties='Excel 12.0;HDR=YES;IMEX=1;'";
OleDbConnection myConn = new OleDbConnection(strCon);
string strCom = " SELECT * FROM [Sheet1$]";
myConn.Open();
OleDbDataAdapter myCommand = new OleDbDataAdapter(strCom, myConn);
DataSet myDataSet = new DataSet();
myCommand.Fill(myDataSet, "[Sheet1$]");
myConn.Close();
return myDataSet;
}