public void printAll(System.Data.DataTable dt, string SheetName)
{ //手动设置
int startrow = 2;//开始写数据的行数,写Datatable数据 int iRows = 0;
int iCols = 0;
int iTrueCols = 0; Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel.Workbook wb = app.Workbooks.Add(System.Reflection.Missing.Value);
Microsoft.Office.Interop.Excel.Worksheet ws = null;
if (wb.Worksheets.Count > 0)
{
ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets.get_Item(1);
}
else
{
wb.Worksheets.Add(System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value);
ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets.get_Item(1);
} if (ws != null)
{
if (SheetName.Trim() != "")
{
ws.Name = SheetName;
} iRows = dt.Rows.Count;
iTrueCols = dt.Columns.Count; //包含隐藏的列，一共有多少列
iCols = dt.Columns.Count;
string[,] dimArray = new string[iRows + 1, iCols]; for (int j = 0, k = 0; j < iTrueCols; j++)
{ dimArray[0, k] = dt.Columns[j].Caption ;
k++;
} for (int i = 0; i < iRows; i++)
{
for (int j = 0, k = 0; j < iTrueCols; j++)
{ dimArray[i + 1, k] = dt.Rows[i][j].ToString();
k++;
}
} ws.get_Range(ws.Cells[startrow, 1], ws.Cells[iRows + startrow, iCols]).Value2 = dimArray;
ws.get_Range(ws.Cells[startrow, 1], ws.Cells[startrow, iCols]).Font.Bold = true;
ws.get_Range(ws.Cells[startrow, 1], ws.Cells[iRows + startrow, iCols]).Font.Size = 10.0;
ws.get_Range(ws.Cells[startrow, 1], ws.Cells[iRows + startrow, iCols]).RowHeight = 14.25;
ws.Columns.ColumnWidth =20;
app.Cells[1, 2] = "库存报表";
//app.Cells[1, 5] = "日期: " + when.ToShortDateString();
ws.get_Range(ws.Cells[1, 1], ws.Cells[1, 3]).Font.Size = 20.0;
ws.get_Range(ws.Cells[1, 1], ws.Cells[1, 3]).Font.Color = ColorTranslator.ToOle(Color.Red);
}
//设置禁止弹出保存和覆盖的询问提示框
app.DisplayAlerts = true;
app.AlertBeforeOverwriting = false; app.Visible = true;
//app.Save("aaaa");
}调用此方法时，应该怎么写？新手一个
string SheetName 这个是EXCEL的具体路径