c# 导出excel的时候

[yuchunfeng]

c# 导出excel的时候出现这个问题，服务器重启之后就好了，但是过一段时间又会出现这个问题

服务器出现意外情况。 (异常来自 HRESULT:0x80010105 (RPC_E_SERVERFAULT))
说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Runtime.InteropServices.COMException: 服务器出现意外情况。 (异常来自 HRESULT:0x80010105 (RPC_E_SERVERFAULT))

源错误:

行 81: xBk = excel.Workbooks.Add(true);



程序源文件
private static string DataView2ExcelBySheet(DataView dv, string fileName)
{
int sheetRows = 65535;//设置Sheet的行数,此为最大上限,本来是65536,因表头要占去一行
int sheetCount = (dv.Table.Rows.Count - 1) / sheetRows + 1;//计算Sheet数

GC.Collect();//垃圾回收

Application excel;
_Workbook xBk;
_Worksheet xSt = null;
excel = new ApplicationClass();

xBk = excel.Workbooks.Add(true);

//定义循环中要使用的变量
int dvRowStart;
int dvRowEnd;
int rowIndex = 0;
int colIndex = 0;
//对全部Sheet进行操作
for (int sheetIndex = 0; sheetIndex < sheetCount; sheetIndex++)
{
//初始化Sheet中的变量
rowIndex = 1;
colIndex = 1;
//计算起始行
dvRowStart = sheetIndex * sheetRows;
dvRowEnd = dvRowStart + sheetRows - 1;
if (dvRowEnd > dv.Table.Rows.Count - 1)
{
dvRowEnd = dv.Table.Rows.Count - 1;
}
//创建一个Sheet
if (null == xSt)
{
xSt = (_Worksheet)xBk.Worksheets.Add(Type.Missing, Type.Missing, 1, Type.Missing);
}
else
{
xSt = (_Worksheet)xBk.Worksheets.Add(Type.Missing, xSt, 1, Type.Missing);
}
//设置Sheet的名称
xSt.Name = "Expdata";
if (sheetCount > 1)
{
xSt.Name += ((int)(sheetIndex + 1)).ToString();
}
//取得标题
foreach (DataColumn col in dv.Table.Columns)
{
//设置标题格式
xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter; //设置标题居中对齐
xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).Font.Bold = true;//设置标题为粗体
//填值，并进行下一列
excel.Cells[rowIndex, colIndex++] = col.ColumnName;
}
//取得表格中数量
int drvIndex;
for (drvIndex = dvRowStart; drvIndex <= dvRowEnd; drvIndex++)
{
DataRowView row = dv[drvIndex];
//新起一行，当前单元格移至行首
rowIndex++;
colIndex = 1;
foreach (DataColumn col in dv.Table.Columns)
{
if (col.DataType == System.Type.GetType("System.DateTime"))
{
excel.Cells[rowIndex, colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd");
}
else if (col.DataType == System.Type.GetType("System.String"))
{
excel.Cells[rowIndex, colIndex] = "'" + row[col.ColumnName].ToString();
}
else
{
excel.Cells[rowIndex, colIndex] = row[col.ColumnName].ToString();
}
colIndex++;
}
}
//使用最佳宽度
Range allDataWithTitleRange = xSt.get_Range(excel.Cells[1, 1], excel.Cells[rowIndex, colIndex - 1]);
allDataWithTitleRange.Select();
allDataWithTitleRange.Columns.AutoFit();
allDataWithTitleRange.Borders.LineStyle = 1;//将导出Excel加上边框
}
//设置导出文件在服务器上的文件夹
//string exportDir = "~/ExcelFile/";//注意:该文件夹您须事先在服务器上建好才行
string exportDir = "~/sjgl/MonthData/excel/";//注意:该文件夹您须事先在服务器上建好才行
//设置文件在服务器上的路径
string absFileName = HttpContext.Current.Server.MapPath(System.IO.Path.Combine(exportDir, fileName));
xBk.SaveCopyAs(absFileName);
xBk.Close(false, null, null);
excel.Quit();

System.Runtime.InteropServices.Marshal.ReleaseComObject(xBk);
System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);
System.Runtime.InteropServices.Marshal.ReleaseComObject(xSt);

xBk = null;
excel = null;
xSt = null;
GC.Collect();
//返回写入服务器Excel文件的路径
return absFileName;
}

[dengyi425]

 protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindData();
        }
    }
    private void BindData()
    {
        string query = "SELECT * FROM jobs";
        SqlConnection conn = new SqlConnection("server=.;database=pubs;uid=sa;pwd=sa");
        SqlDataAdapter da = new SqlDataAdapter(query, conn);
        DataSet ds = new DataSet();
        da.Fill(ds);
        GridView1.DataSource = ds;
        GridView1.DataBind();

    }

    protected void Button2_Click(object sender, EventArgs e)
    {
        Response.Clear();

        Response.AddHeader("content-disposition",
        "attachment;filename=" + HttpUtility.UrlEncode("工作报表.xls", Encoding.UTF8).ToString() + "");

        Response.Charset = "gb2312";
        Response.ContentType = "application/vnd.xls";

        System.IO.StringWriter stringWrite = new System.IO.StringWriter();

        System.Web.UI.HtmlTextWriter htmlWrite =
        new HtmlTextWriter(stringWrite);


        GridView1.AllowPaging = false;
        BindData();
        GridView1.RenderControl(htmlWrite);

        Response.Write(stringWrite.ToString());

        Response.End();

        GridView1.AllowPaging = true;
        BindData();


    }

    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        BindData();

    }
    public override void VerifyRenderingInServerForm(Control control)
    {
    }

试试这个.最简单的.你拖一个GV

[周公]

[Quote=引用 1 楼 dengyi425 的回复:]
C# code
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindData();
}
}
private void BindData()
{
string query = "SELECT * FROM jobs";
SqlConnection conn = new SqlConnection("server=.;database=pubs;uid=sa;pwd=sa");
SqlDataAdapter da = new SqlDataAdapter(query, conn);
DataSe…
[/Quote]
一般都是这种做法。

[luckyboy101]

你加一条identity impersonate
试试看，可能是权限问题

[yuchunfeng]

加一条identity impersonate 怎么加 加在那里 谢谢

[Timely_Tryhard]

我的程序出现的异常（HRESULT:0x800A03EC ）和你的好像类似！怎么改呀？