我正在开发一个使用 Minitab DCOM 对象的 ASP 网页。我的问题是，如果在组件服务 (DCONCNFG) 下将身份设置为“此用户”，但如果我使用在“此用户”下使用的用户登录 Windows 并将身份设置为“交互式用户”一切正常。
我的问题是，如果用户名相同（管理员），DCOM 身份“交互式用户”和“此用户”有什么不同？
主要是这个网页使用 Minitab 来生成图表。在挂起之前，它确实会生成图表，但只有 5 或 6 个图表，然后它会停止响应。
这是 C# 代码，如果您想知道它挂在哪里：
using System;
using System.Web;
using System.Web.UI.WebControls;
using Mtb; // Minitab Library (Mtb 16.0 Type Library)
using System.IO;
using System.Data;
using System.Runtime.InteropServices;
using System.Threading;
namespace TRWebApp.TestDetails
{
public partial class TestDetails : System.Web.UI.Page
{
// MiniTab Stuff
Mtb.IApplication g_MtbApp;
Mtb.IProject g_MtbProj;
Mtb.IUserInterface g_MtbUI;
Mtb.IWorksheets g_MtbWkShts;
Mtb.ICommands g_MtbCommands;
Mtb.IOutputs g_MtbOutputs;
Mtb.IGraph g_MtbGraph;
Mtb.IOutputs g_MtbOutputs2;
Mtb.IGraph g_MtbGraph2;
int g_GraphIdx = 1;
int g_Loop = 1;
// Tests Table
enum testsTable { TestIdx, TestSeq, ParamName, LSL, USL, Units };
Tools tools = new Tools();
string g_SessionID = "";
Mtb_DataSetTableAdapters.XBarTableAdapter xbarTA = new Mtb_DataSetTableAdapters.XBarTableAdapter();
protected void Page_Init(object sender, EventArgs e)
{
g_MtbApp = new Application();
g_MtbProj = g_MtbApp.ActiveProject;
g_MtbUI = g_MtbApp.UserInterface;
g_MtbWkShts = g_MtbProj.Worksheets;
g_MtbCommands = g_MtbProj.Commands;
g_MtbUI.DisplayAlerts = false;
g_MtbUI.Interactive = false;
g_MtbUI.UserControl = false;
lblProductDesc.Text = ""; // Start with a clear variable
g_SessionID = HttpContext.Current.Session.SessionID;
string imgFolder = "Images/Mtb/";
string mtbSessionPath = Server.MapPath(ResolveUrl("~/" + imgFolder)) + g_SessionID;
Directory.CreateDirectory(mtbSessionPath);
Array.ForEach(Directory.GetFiles(mtbSessionPath), File.Delete); // Delete all the files from the directory
Session["MtbSessionPath"] = mtbSessionPath; // Store the Session Path so we can later delete it
// Add the two image columns to the grid view
GridView1.AutoGenerateColumns = false;
ImageField imgColumn = new ImageField();
imgColumn.HeaderText = "Scatterplot";
imgColumn.DataImageUrlField = "TestIdx";
imgColumn.DataImageUrlFormatString = "~\\Images\\Mtb\\" + g_SessionID + "\\{0}.GIF";
imgColumn.ControlStyle.CssClass = "MtbImgDetail";
GridView1.Columns.Add(imgColumn);
ImageField img2Column = new ImageField();
img2Column.HeaderText = "Histogram";
img2Column.DataImageUrlField = "TestIdx";
img2Column.DataImageUrlFormatString = "~\\Images\\Mtb\\" + g_SessionID + "\\H{0}.GIF";
img2Column.ControlStyle.CssClass = "MtbImgDetail";
GridView1.Columns.Add(img2Column);
}
protected void Page_Load(object sender, EventArgs e)
{
try
{
lblErrMsg.Text = "";
// Fill dates if they are empty
if (String.IsNullOrEmpty(tbxFromDate.Text))
tbxFromDate.Text = String.Format("{0:MM/01/yy}", DateTime.Today, null, DateTime.Today);
if (String.IsNullOrEmpty(tbxToDate.Text))
tbxToDate.Text = String.Format("{0:MM/dd/yy}", DateTime.Today);
}
catch (Exception ex)
{
lblErrMsg.Text = ex.Message;
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowIndex >= 0)
{
// Get the data for the parameter name
DataTable dt = xbarTA.GetXBarData(lbxProduct.SelectedValue, Convert.ToDateTime(tbxFromDate.Text), Convert.ToDateTime(tbxToDate.Text), e.Row.Cells[(int)testsTable.ParamName].Text);
// Pass the data to an object array so we can pass it to minitab
object[] data = new object[dt.Rows.Count];
object[] time = new object[dt.Rows.Count];
int i = 0;
foreach (DataRow dr in dt.Rows)
{
if (tools.IsNumeric(dr["ParamValue"]))
{
data[i] = Convert.ToDouble(dr["ParamValue"]);
time[i] = i;
}
i++;
}
if (dt.Rows.Count > 1) // Do graphs with at least two measurements
{
// Only pass it to minitab if we have numeric data
if (!ReferenceEquals(data[0], null)) // if it is not null it means it has a numeric value
{
g_MtbWkShts.Item(1).Columns.Add().SetData(data);
g_MtbWkShts.Item(1).Columns.Add().SetData(time);
g_MtbWkShts.Item(1).Columns.Item(1).Name = e.Row.Cells[(int)testsTable.ParamName].Text + " (" + e.Row.Cells[(int)testsTable.Units].Text + ")";
g_MtbWkShts.Item(1).Columns.Item(2).Name = "Time";
//// H E R E
////
//// FOLLOWING LINE HANGS AFTER GENERATING 6 GRAPHS WHEN THE IDENTITY "THIS USER" IS SET
////
g_MtbProj.ExecuteCommand("Plot C1*C2;\nSymbol;\nConnect.", g_MtbWkShts.Item(1));
// Convert LSL and USL to Decimal
if (tools.IsNumeric(e.Row.Cells[(int)testsTable.LSL].Text.Trim()) && tools.IsNumeric(e.Row.Cells[(int)testsTable.USL].Text.Trim()))
{
if (Convert.ToDouble(e.Row.Cells[(int)testsTable.LSL].Text) < Convert.ToDouble(e.Row.Cells[(int)testsTable.USL].Text))
{
g_MtbProj.ExecuteCommand("Capa C1 " + dt.Rows.Count.ToString() + ";\nLspec " + e.Row.Cells[(int)testsTable.LSL].Text + ";\nUspec " + e.Row.Cells[(int)testsTable.USL].Text + ";\nPooled;\nAMR;\nUnBiased;\nOBiased;\nToler 6;\nWithin;\nOverall;\nCStat.", g_MtbWkShts.Item(1));
}
else
{
g_MtbProj.ExecuteCommand("Histogram C1;\nBar;\nDistribution;\nNormal.", g_MtbWkShts.Item(1));
}
}
else
{
g_MtbProj.ExecuteCommand("Histogram C1;\nBar;\nDistribution;\nNormal.", g_MtbWkShts.Item(1));
}
try
{
g_MtbOutputs = g_MtbCommands.Item(g_GraphIdx).Outputs;
g_GraphIdx++;
g_MtbOutputs2 = g_MtbCommands.Item(g_GraphIdx).Outputs;
g_GraphIdx++;
string graphPath = "";
if (g_MtbOutputs.Count > 0)
{
g_MtbGraph = g_MtbOutputs.Item(1).Graph;
graphPath = Server.MapPath(ResolveUrl("~/Images/Mtb/")) + g_SessionID + Path.DirectorySeparatorChar + e.Row.Cells[(int)testsTable.TestIdx].Text + ".gif";
g_MtbGraph.SaveAs(graphPath, true, MtbGraphFileTypes.GFGIF, 600, 400, 96);
}
if (g_MtbOutputs2.Count > 0)
{
g_MtbGraph2 = g_MtbOutputs2.Item(1).Graph;
graphPath = Server.MapPath(ResolveUrl("~/Images/Mtb/")) + g_SessionID + Path.DirectorySeparatorChar + "H" + e.Row.Cells[(int)testsTable.TestIdx].Text + ".gif";
g_MtbGraph2.SaveAs(graphPath, true, MtbGraphFileTypes.GFGIF, 600, 400, 96);
}
}
catch (Exception ex)
{
lblErrMsg.Text = "Test Idx: " + e.Row.Cells[(int)testsTable.TestIdx].Text + " seems to have problems.<BR />Error: " + ex.Message;
}
g_MtbWkShts.Item(1).Columns.Delete(); // Delete all the columns (This line of code is needed otherwise the Mtb.exe will still running on the server side task manager
}
else
{
// Copy the No numeric image as a graph
File.Copy(Server.MapPath("~\\Images\\Mtb\\NaN.gif"), Server.MapPath("~\\Images\\Mtb\\" + g_SessionID + "\\" + e.Row.Cells[(int)testsTable.TestIdx].Text + ".gif"));
File.Copy(Server.MapPath("~\\Images\\Mtb\\NaN.gif"), Server.MapPath("~\\Images\\Mtb\\" + g_SessionID + "\\H" + e.Row.Cells[(int)testsTable.TestIdx].Text + ".gif"));
}
}
}
}
protected void GridView1_Unload(object sender, EventArgs e)
{
// All these lines of code are needed otherwise the Mtb.exe will not be close on the task manager (server side)
GC.Collect();
GC.WaitForPendingFinalizers();
if (g_MtbGraph != null)
Marshal.ReleaseComObject(g_MtbGraph); g_MtbGraph = null;
if (g_MtbOutputs != null)
Marshal.ReleaseComObject(g_MtbOutputs); g_MtbOutputs = null;
if (g_MtbGraph2 != null)
Marshal.ReleaseComObject(g_MtbGraph2); g_MtbGraph2 = null;
if (g_MtbOutputs2 != null)
Marshal.ReleaseComObject(g_MtbOutputs2); g_MtbOutputs2 = null;
if (g_MtbCommands != null)
Marshal.ReleaseComObject(g_MtbCommands); g_MtbCommands = null;
if (g_MtbWkShts != null)
Marshal.ReleaseComObject(g_MtbWkShts); g_MtbWkShts = null;
if (g_MtbUI != null)
Marshal.ReleaseComObject(g_MtbUI); g_MtbUI = null;
if (g_MtbProj != null)
Marshal.ReleaseComObject(g_MtbProj); g_MtbProj = null;
if (g_MtbApp != null)
{
g_MtbApp.Quit();
Marshal.ReleaseComObject(g_MtbApp); g_MtbApp = null;
}
}
}
}
我在用着：
Windows Server 2008 R2 标准版 (SP 1)
IIS 7.5.7600.16385
框架 4.0.30319
Visual Studio 2010 版本 10.0.30319.1
Minitab 16.1.0
谢谢你，巴勃罗