数据到Excel模块设计与实现
/// <summary>
/// 导出数据到excel中
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button5_Click(object sender, EventArgs e)
{
SaveDataTableToExcel(dtInfo, @"c:");
}
//保存到Excel
public void SaveDataTableToExcel(System.Data.DataTable excelTable, string filePath)
{
Microsoft.Office.Interop.Excel.Application app =
new Microsoft.Office.Interop.Excel.ApplicationClass();
try
{
//让后台执行设置为不可见
app.Visible = false;
//新增加一个工作簿
Microsoft.Office.Interop.Excel.Workbook wBook = app.Workbooks.Add(true);
//如果要打开已有的工作簿，则使用下面的注释语句
// Workbook wBook = app.Workbooks.Open(@"C:/YourPath/YourWorkbook.xls",
// missing, missing, missing, missing, missing, missing, missing,
// missing, missing, missing, missing, missing,missing, missing);
//取得一个工作表
//如果打开了已有的工作簿,也可以这样获取工作表Worksheet wSheet = wBook.ActiveSheet as Worksheet
Microsoft.Office.Interop.Excel.Worksheet wSheet = wBook.Worksheets[1] as Microsoft.Office.Interop.Excel.Worksheet;
if (excelTable.Rows.Count > 0)
{
int row = 0;
row = excelTable.Rows.Count;
int col = excelTable.Columns.Count;
//allsize = row;
for (int i = 0; i < row; i++)
{
//succeesize++;
//prograsssize++;
for (int j = 0; j < col; j++)
{
string str = excelTable.Rows[i][j].ToString();
wSheet.Cells[i + 1, j + 1] = str;
}
//SetMessageText();
}
}
int size = excelTable.Columns.Count;
for (int i = 0; i < size; i++)
{
wSheet.Cells[1, 1 + i] = excelTable.Columns[i].ColumnName;
}
//设置禁止弹出保存和覆盖的询问提示框
app.DisplayAlerts = false;
app.AlertBeforeOverwriting = false;
//保存工作簿
wBook.Save();
//保存excel文件
app.Save(filePath + "//导出一览表.xls");
}
catch (Exception err)
{
MessageBox.Show("导入Excel出错！错误原因：" + err.Message, "NaviDMS 2.2",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
finally
{
//确保Excel进程关闭
app.Quit();
app = null;
}
//SetCancelUse();
}
