尝试显示表单设计器时出错。
查看错误图片:
画面代码:
public partial class frmCanalVenda : frmEdit
{
public frmCanalVenda(CanalVenda canal, Cliente cli)
: base(canal)
{
InitializeComponent();
bdsCliente.DataSource = cli;
eabBar.ReadOnlyView = false;
}
private void frmCanalVenda_Load(object sender, EventArgs e)
{
try
{
Cursor.Current = Cursors.WaitCursor;
bdsAgrupamento.DataSource = Agrupamento.GetAll(DatabaseAFV.Connection);
bdsCanal.DataSource = Canal.GetAll(DatabaseAFV.Connection);
bdsSubCanal.DataSource = SubCanal.GetAll(DatabaseAFV.Connection);
bdsEspecializacao.DataSource = Especializacao.GetAll(DatabaseAFV.Connection);
bdsOperacao.DataSource = Operacao.GetAll(DatabaseAFV.Connection);
bdsPorte.DataSource = Porte.GetAll(DatabaseAFV.Connection);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
}
图片文字
为了防止在加载设计器之前可能丢失数据,必须解决以下错误:
值不在预期范围内。
此错误的实例 (1)
- 在 Microsoft.VisualStudio.NativeMethods.ThrowOnFailure(Int32 hr, Int32[] expectedHRFailure) 在 Microsoft.VisualStudio.Shell.Design.Serialization.DesignerDocDataService 的 System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo) 隐藏调用堆栈。 Microsoft.VisualStudio.Shell.Design.Serialization.DesignerDocDataService.GetChildDocData(String name, FileAccess access, String createTemplate) 在 Microsoft.VisualStudio.Design.Serialization 中的 GetFileDocData(String fileName, FileAccess access, String createTemplate, Boolean addToHostList, Boolean nestedItem)。 Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.System.ComponentModel.Design.IResourceService 上的 CodeDom.VSCodeDomDesignerLoader.GetResourceDocData(CultureInfo 信息,FileAccess 访问)。GetResourceReader(CultureInfo info) 在 System.ComponentModel.Design.Serialization.ResourceCodeDomSerializer.SerializationResourceManager.GetMetadata() 在 System.ComponentModel.Design.Serialization.ResourceCodeDomSerializer.SerializationResourceManager.GetMetadataEnumerator() 在 System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializePropertiesFromResources( IDesignerSerializationManager manager, Object value, Attribute[] filter) at System.ComponentModel.Design.Serialization.TypeCodeDomSerializer.Deserialize(IDesignerSerializationManager manager, CodeTypeDeclaration declaration) at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager manager) at Microsoft.VisualStudio .Design.Serialization.CodeDom.VSCodeDomDesignerLoader。在 System.ComponentModel.Design.Serialization.BasicDesignerLoader.BeginLoad(IDesignerLoaderHost 主机)处执行加载(IDesignerSerializationManager 序列化管理器)