我做了一个winform现在希望通过点击按钮把sql里指定表(手动指定要如何设计?)的数据导出到Excel。
还有一个是点击把datagridview里面的数据导出到excel怎么写,还请大家指点一下~
还有一个是点击把datagridview里面的数据导出到excel怎么写,还请大家指点一下~
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private void SaveAs(DataGridView dgvAgeWeekSex)
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "Execl 97-2003 (*.xls)|*.xls|Execl 2007 (*.xlsx)|*.xlsx";
saveFileDialog.FilterIndex = 0;
saveFileDialog.RestoreDirectory = true;
saveFileDialog.CreatePrompt = true;
saveFileDialog.Title = "Netbor Export Dialog";
saveFileDialog.ShowDialog();
Stream myStream;
myStream = saveFileDialog.OpenFile();
StreamWriter sw = new StreamWriter(myStream, System.Text.Encoding.GetEncoding(-0));
string str = "";
try
{
for (int i = 0; i < dgvAgeWeekSex.ColumnCount; i++)
{
if (i > 0)
{
str += "\t";
}
str += dgvAgeWeekSex.Columns[i].HeaderText;
}
sw.WriteLine(str);
for (int j = 0; j < dgvAgeWeekSex.Rows.Count; j++)
{
string tempStr = "";
for (int k = 0; k < dgvAgeWeekSex.Columns.Count; k++)
{
if (k > 0)
{
tempStr += "\t";
}
tempStr += dgvAgeWeekSex.Rows[j].Cells[k].Value.ToString();
}
sw.WriteLine(tempStr);
}
sw.Close();
myStream.Close();
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
finally
{
sw.Close();
myStream.Close();
}
}
把sql server的数据读到datatable或者reader里,循环结果集,拼insert sql语句来写入xls文件.
最后把连接关掉
dgv也一样,如果数据源是dataset或者datatable就如上炮制,要么就循环dgv的rows,然后还是取每个cell的值来拼sql
{
string pathName = System.Windows.Forms.Application.StartupPath.Trim();
string dateTime = txtdatatime.Text.Split(char.Parse("-"))[0] + "年" + txtdatatime.Text.Split(char.Parse("-"))[1] + "月"; int count = 0;
FileInfo mode = new FileInfo(pathName + "\\model\\Name.xls");
try
{
mode.CopyTo(pathName + "\\temp\\" + dateTime + " 产品名称.xls", true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
object ming = Type.Missing;
Excel.Application myExcel = new Microsoft.Office.Interop.Excel.Application();
myExcel.Application.Workbooks.Open(pathName + "\\temp\\" + dateTime + " 产品名称.xls", ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming);
myExcel.Visible = false; Excel.Workbook myBook = myExcel.Workbooks[1];
Excel.Worksheet mySheet = (Excel.Worksheet)myBook.Worksheets[1]; databind(); try
{
if (ds.Tables.Contains("tblClass"))//如果有这个表就把改表的内容清空
{
ds.Tables["tblClass"].Clear();
}
da.Fill(ds, "tblClass");
count = ds.Tables["tblClass"].Rows.Count;//表中的数据的总行数
dataGridView1.DataSource = ds.Tables["tblClass"]; if (count == 0)
{
MessageBox.Show("没有可打印的数据!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
else
{
myExcel.Cells[2, 3] = dateTime;//显示时间的位置 for (int i = 0; i < count; i++)
{
((Excel.Range)mySheet.Cells[i + 3, 1]).EntireRow.Insert(0, Excel.XlDirection.xlDown); //添加行 mySheet.Cells[i + 3, 1] = ds.Tables["tblClass"].Rows[i][0].ToString();
mySheet.Cells[i + 3, 2] = ds.Tables["tblClass"].Rows[i][1].ToString();
}
}
Excel.Range r = mySheet.get_Range(mySheet.Cells[3, 1], mySheet.Cells[2 + count, 2]);
r.Select();
myExcel.Run("Macro1",ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming, ming);
myBook.Save();
myExcel.Visible = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
if (myBook != null)
{
myBook.Close(false, ming, ming);
}
myExcel.Workbooks.Close();
myExcel.Quit();
System.Runtime.InteropServices.Marshal.ReleaseComObject(myExcel);
}
finally
{
da.Dispose();
}
}你可以根据情况来改
EXEC master..xp_cmdshell 'bcp "select * from test.dbo.LS_Tab" queryout C:\Excel.xls -c -S192.168.1.100 -Usa -Psa'
不知道怎么搬到C#中就没用了.........不知道为什么
这个也可以用的,去掉EXEC直接master..xp_cmdshell .................. 就可以了
看了这个贴我的问题解决了,修改代码如下:Range.EntireRow.Insert(0, XlDirection.xlDown);非常感谢!