C# DataGridView滚动条引发ArgumentOutOfRange异常
我有一个表单，上面有一个DataGridView。DGV绑定到DataTable，并在表单加载约32000条记录时填充 当鼠标光标位于滚动条底部的向下箭头上时，如果用户向下拖动滚动条并释放鼠标按钮，我会得到下面列出的异常 如果鼠标按钮在时钟上的其他位置（如屏幕底部、状态栏下方）释放，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，如果将滚动条一直向下拖动，在“安全”区域释放鼠标按钮，则可以再次滚动并释放向下箭头上的按钮，并且不会引发异常 解决方案中的所有DataGridView都是使用相同的参数设置的。我有其他DGV具有相同或更多记录，但他们不这样做 关于滚动条的最大值，微软说：“最大值只能通过编程实现。滚动条的值不能通过运行时的用户交互达到最大值。” 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这方面的任何东西。我希望有人能为我指出解决这个问题的正确方向C# DataGridView滚动条引发ArgumentOutOfRange异常,c#,winforms,datagridview,scrollbar,C#,Winforms,Datagridview,Scrollbar,我有一个表单，上面有一个DataGridView。DGV绑定到DataTable，并在表单加载约32000条记录时填充 当鼠标光标位于滚动条底部的向下箭头上时，如果用户向下拖动滚动条并释放鼠标按钮，我会得到下面列出的异常 如果鼠标按钮在时钟上的其他位置（如屏幕底部、状态栏下方）释放，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，如果将滚动条一直向下拖动，在“安全”区域释放鼠标按钮，则可以再次滚动并释放向下箭头上的按钮，并且不会引发异常 解决方案中的所有DataGridView都是
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:
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;
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;
base.gridThemeSet(dtGrid);
DataGridViewCellStyle myStyle = new DataGridViewCellStyle();
myStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
malCol.DefaultCellStyle = myStyle;
尝试调用dataGridView.PerformLayout（）；加载或绑定数据后
dataGridView.PerformLayout（）；通常可以解决此问题，但如果它不起作用，请确保在dataGrid处于活动状态（已启用）时插入和删除列，并且它会自动正确刷新。我在向下滚动时收到了相同的错误消息，但在修复时遇到了一些问题 最后的问题是，我有一个数据库表通过datatable绑定到datagrid，db表有一个列varchar（30），我以编程方式在这些列的单元格中编写了一些字符串。这些绳子的长度可达50米 有点奇怪，错误发生在scroll上，而不是在我更改datatables值时。该信息也没有提供任何有用的信息
因此，对于出现此错误的其他人：检查您的所有数据是否具有正确的数据类型和长度。我通过使用表单设计器cs文件中的代码重新创建datagridview控件来解决此问题：
private void DgvInit(){
var dgvs=dataGridView1.Size;
SuspendLayout();
dis:try{
dataGridView1.Dispose();
} catch{goto dis;}
Controls.Remove(dataGridView1);
dataGridView1=new DataGridView();
((ISupportInitialize)(dataGridView1)).BeginInit();
dataGridView1.Anchor = ((AnchorStyles.Top | AnchorStyles.Bottom) | AnchorStyles.Left) | AnchorStyles.Right;
dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
dataGridView1.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells;
dataGridView1.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
dataGridView1.EditMode = DataGridViewEditMode.EditOnEnter;
dataGridView1.Location = new Point(12, 28);
dataGridView1.Name = "dataGridView1";
dataGridView1.Size=dgvs;
dataGridView1.TabIndex = 0;
Controls.Add(dataGridView1);
((ISupportInitialize)(dataGridView1)).EndInit();
ResumeLayout(true);
}
goto修复了datagridview的一些错误，当dispose中发生异常时，它看起来可能会导致无限循环，但这还没有达到我测试的程度。我感觉我们需要查看一些代码来进行诊断。更新：我通过更改数据网格所在的面板的大小并将其从窗体边缘移开来掩盖问题@詹姆斯。我不确定要添加什么代码。我不认为问题出在DGV的代码中，它都是生成的。您希望看到什么代码？添加了gridview构造和格式代码。我已经让几个人研究过这个问题，除了调整Gridview相对于表单的格式之外，我们无法想出一个解决方案。这个问题违反了例外规则“滚动条的值在运行时无法通过用户交互达到其最大值”，因此我不认为它在c#代码中，我可能是错的，但到目前为止我们还无法解决它。我也遇到了这个问题，或者类似的问题
PerformLayout