c# - DataGridView 滚动条抛出 ArgumentOutOfRange 异常

Question

我有一个带有单个 DataGridView 的表单。 DGV 绑定(bind)到 DataTable 并在表单加载约 32,000 条记录时填充。

如果用户向下拖动滚动条并在鼠标光标位于滚动条底部的向下箭头上时释放鼠标按钮，我将得到下面列出的异常。

如果在屏幕底部、状态栏下方、时钟等其他任何地方释放鼠标按钮，则不会引发异常。然后您可以单击最后一条记录并向上滚动。

此外，如果您一直向下拖动滚动条，在“安全”区域释放鼠标按钮，然后您可以再次滚动并释放向下箭头上的按钮，不会引发异常。

我在解决方案中的所有 DataGridView 都设置了相同的参数。我有其他具有相同或更多记录的 DGV，但他们不这样做。

关于 Scrollbar Max Value Microsoft 说:“最大值只能通过编程方式达到。滚动条的值无法通过运行时的用户交互达到其最大值。”

我没有在代码中操纵任何滚动条值。

我在任何地方都找不到关于此的任何信息。我希望有人能指出正确的方向来解决这个问题。

System.ArgumentOutOfRangeException was unhandled   Message=Value of
'2612103' is not valid for 'Value'. 'Value' should be between
'minimum' and 'maximum'. Parameter name: Value  
Source=System.Windows.Forms   ParamName=Value   StackTrace:
       at System.Windows.Forms.ScrollBar.set_Value(Int32 value)
       at System.Windows.Forms.ScrollBar.DoScroll(ScrollEventType type)
       at System.Windows.Forms.ScrollBar.WmReflectScroll(Message& m)
       at System.Windows.Forms.ScrollBar.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr aram, IntPtr lparam)        at System.Windows.Forms.UnsafeNativeMethods.SendMessage(HandleRef hWnd,
Int32 msg, IntPtr wParam, IntPtr lParam)
       at System.Windows.Forms.Control.SendMessage(Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.Control.ReflectMessageInternal(IntPtr hWnd, Message& m)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.DataGridView.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.UnsafeNativeMethods.CallWindowProc(IntPtr
wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam)
       at System.Windows.Forms.NativeWindow.DefWndProc(Message& m)
       at System.Windows.Forms.Control.DefWndProc(Message& m)
       at System.Windows.Forms.Control.WmMouseDown(Message& m, MouseButtons button, Int32 clicks)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.ScrollBar.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
       at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr
dwComponentID, Int32 reason, Int32 pvLoopData)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32
reason, ApplicationContext context)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32
reason, ApplicationContext context)
       at System.Windows.Forms.Application.Run(Form mainForm)
       at VWBSMS.Program.Main() in C:\Documents and Settings\courtp\My Documents\Development\C++_DLL_Projects\VWBSMS\VWBSMS\MDIForms\Program.cs:line
21
       at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at System.AppDomain.nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at System.Runtime.Hosting.ManifestRunner.Run(Boolean checkAptModel)
       at System.Runtime.Hosting.ManifestRunner.ExecuteAsAssembly()
       at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext
activationContext, String[] activationCustomData)
       at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext
activationContext)
       at System.Activator.CreateInstance(ActivationContext activationContext)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssemblyDebugInZone()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean
ignoreSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()   InnerException:

GridView

    this.dtGrid.AllowUserToAddRows = false;
    this.dtGrid.AllowUserToDeleteRows = false;
    this.dtGrid.AutoGenerateColumns = false;
    this.dtGrid.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
    this.dtGrid.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
    this.idCol,
    this.lineColumn,
    this.lineCol,
    this.eqpCol,
    this.minColumn,
    this.eqptColumn,
    this.rpNameCol,
    this.malCol,
    this.solutionColumn,
    this.ltColumn,
    this.faultColumn,
    this.originatorCol,
    this.dateCol,
    this.timeDownCol,
    this.dateUpCol,
    this.timeUpCol,
    this.T2ID,
    this.T1ID,
    this.threeCodeCol,
    this.respCol});
    this.dtGrid.ContextMenuStrip = this.gvContextMenut;
    this.dtGrid.DataSource = this.dTMPNewBindingSource;
    this.dtGrid.Dock = System.Windows.Forms.DockStyle.Fill;
    this.dtGrid.Location = new System.Drawing.Point(0, 0);
    this.dtGrid.Name = "dtGrid";
    this.dtGrid.ReadOnly = true;
    this.dtGrid.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect;
    this.dtGrid.Size = new System.Drawing.Size(980, 360);
    this.dtGrid.TabIndex = 115;

所有gridviews都通过的Base Class Formatting。

        dgvA.AllowUserToAddRows = false;
        dgvA.AllowUserToDeleteRows = false;
        dgvA.AllowUserToOrderColumns = true;
        dgvA.AllowUserToResizeColumns = true;
        dgvA.AllowUserToResizeRows = false;
        dgvA.RightToLeft = System.Windows.Forms.RightToLeft.No;
        dgvA.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;

        // Main Grid Settings
        dgvA.BackgroundColor = SystemColors.Control;
        dgvA.BorderStyle = BorderStyle.None;
        dgvA.GridColor = SystemColors.ActiveBorder;
  // ************* Column Headers **********************
            // General Settings
            dgvA.ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Raised;
            dgvA.ColumnHeadersHeight = 20;  // Based on a Tahoma font of 9
            dgvA.ColumnHeadersVisible = true;
            dgvA.Cursor = Cursors.Default;
            dgvA.EnableHeadersVisualStyles = true;


            // Column Headers Default Cell Style
            dgvA.ColumnHeadersDefaultCellStyle.Alignment =             DataGridViewContentAlignment.MiddleCenter;
            dgvA.ColumnHeadersDefaultCellStyle.BackColor = SystemColors.Control;
            dgvA.ColumnHeadersDefaultCellStyle.ForeColor = SystemColors.WindowText;
            dgvA.ColumnHeadersDefaultCellStyle.SelectionBackColor = SystemColors.MenuHighlight;
            dgvA.ColumnHeadersDefaultCellStyle.SelectionForeColor = SystemColors.HighlightText;
            // ********************** ROWS  ************************
            // Alternating Rows Default Cell Style
            dgvA.AlternatingRowsDefaultCellStyle.BackColor = SystemColors.Info;
            dgvA.AlternatingRowsDefaultCellStyle.ForeColor = SystemColors.WindowText;


            // Row Headers 
            dgvA.RowHeadersBorderStyle = DataGridViewHeaderBorderStyle.Raised;
            dgvA.RowHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
            dgvA.RowHeadersDefaultCellStyle.BackColor = SystemColors.Control;
            dgvA.RowHeadersDefaultCellStyle.ForeColor = SystemColors.WindowText;
            dgvA.RowHeadersDefaultCellStyle.SelectionBackColor = SystemColors.Highlight;
            dgvA.RowHeadersDefaultCellStyle.SelectionForeColor = SystemColors.HighlightText;
            dgvA.RowHeadersVisible = false;

            // ************* Default Cell Style  ******************
            dgvA.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
            dgvA.DefaultCellStyle.BackColor = SystemColors.Window;
            dgvA.DefaultCellStyle.ForeColor = SystemColors.WindowText;
            dgvA.DefaultCellStyle.SelectionBackColor = SystemColors.Highlight;
            dgvA.DefaultCellStyle.SelectionForeColor = SystemColors.HighlightText;
            dgvA.DefaultCellStyle.WrapMode = DataGridViewTriState.True;

这是在构造函数中设置的

    base.gridThemeSet(dtGrid);

    DataGridViewCellStyle myStyle = new DataGridViewCellStyle();

    myStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;


    malCol.DefaultCellStyle = myStyle;

Answer 1

尝试调用 dataGridView.PerformLayout();加载或绑定(bind)数据后。

http://social.msdn.microsoft.com/Forums/en-SG/csharpgeneral/thread/2dc39584-d833-4989-bb70-9b616a9daf4b

http://social.microsoft.com/Forums/hr-HR/Offtopic/thread/0b091621-34a5-45e4-a37c-c7e18a767a26