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VB.Net设计器错误(类型为';字符串';的值无法转换为';System.Windows.Forms.DataGridViewTextBoxColumn';)_Vb.net_Winforms_Forms - Fatal编程技术网

VB.Net设计器错误(类型为';字符串';的值无法转换为';System.Windows.Forms.DataGridViewTextBoxColumn';)

VB.Net设计器错误(类型为';字符串';的值无法转换为';System.Windows.Forms.DataGridViewTextBoxColumn';),vb.net,winforms,forms,Vb.net,Winforms,Forms,我在一个名为frmTeacherload的表单上有一个datagrid,当我运行代码时,它突然发现这个类型为“String”的错误值无法转换为“System.Windows.Forms.DataGridViewTextBoxColumn”。关于vb的设计器。这是我的代码员我希望你能帮助我提前谢谢 设计者代码 _ 部分类FRM荷载 继承System.Windows.Forms.Form 'Form overrides dispose to clean up the component list.

我在一个名为frmTeacherload的表单上有一个datagrid,当我运行代码时,它突然发现这个类型为“String”的错误值无法转换为“System.Windows.Forms.DataGridViewTextBoxColumn”。关于vb的设计器。这是我的代码员我希望你能帮助我提前谢谢

设计者代码 _ 部分类FRM荷载 继承System.Windows.Forms.Form

'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
    Try
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
    Finally
        MyBase.Dispose(disposing)
    End Try
End Sub

'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer

'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.  
'Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
    Me.components = New System.ComponentModel.Container()
    Me.Label1 = New System.Windows.Forms.Label()
    Me.Label2 = New System.Windows.Forms.Label()
    Me.ComboBox1 = New System.Windows.Forms.ComboBox()
    Me.lblBack = New System.Windows.Forms.LinkLabel()
    Me.Panel1 = New System.Windows.Forms.Panel()
    Me.DataGridView2 = New System.Windows.Forms.DataGridView()
    Me.Name = New System.Windows.Forms.DataGridViewTextBoxColumn()
    Me.TblteacherloadDataSet2 = New WindowsApplication1.tblteacherloadDataSet2()
    Me.TblteacherloadDataSet1 = New WindowsApplication1.tblteacherloadDataSet1()
    Me.TblteacherloadTableAdapter = New WindowsApplication1.tblteacherloadDataSet1TableAdapters.tblteacherloadTableAdapter()
    Me.TextBox1 = New System.Windows.Forms.TextBox()
    Me.Label3 = New System.Windows.Forms.Label()
    Me.Label4 = New System.Windows.Forms.Label()
    Me.TextBox2 = New System.Windows.Forms.TextBox()
    Me.Label5 = New System.Windows.Forms.Label()
    Me.TextBox3 = New System.Windows.Forms.TextBox()
    Me.Label6 = New System.Windows.Forms.Label()
    Me.TextBox4 = New System.Windows.Forms.TextBox()
    Me.Label7 = New System.Windows.Forms.Label()
    Me.TextBox5 = New System.Windows.Forms.TextBox()
    Me.Label8 = New System.Windows.Forms.Label()
    Me.TextBox6 = New System.Windows.Forms.TextBox()
    Me.Label9 = New System.Windows.Forms.Label()
    Me.TextBox7 = New System.Windows.Forms.TextBox()
    Me.Button1 = New System.Windows.Forms.Button()
    Me.TblteacherloadTableAdapter1 = New WindowsApplication1.tblteacherloadDataSet2TableAdapters.tblteacherloadTableAdapter()
    Me.TblteacherloadDataSet3 = New WindowsApplication1.tblteacherloadDataSet3()
    Me.BindingSource1 = New System.Windows.Forms.BindingSource(Me.components)
    Me.TblteacherloadTableAdapter2 = New WindowsApplication1.tblteacherloadDataSet3TableAdapters.tblteacherloadTableAdapter()
    Me.DataGridViewTextBoxColumn1 = New System.Windows.Forms.DataGridViewTextBoxColumn()
    Me.NameDataGridViewTextBoxColumn = New System.Windows.Forms.DataGridViewTextBoxColumn()
    Me.DataGridViewTextBoxColumn2 = New System.Windows.Forms.DataGridViewTextBoxColumn()
    Me.DataGridViewTextBoxColumn3 = New System.Windows.Forms.DataGridViewTextBoxColumn()
    Me.DataGridViewTextBoxColumn4 = New System.Windows.Forms.DataGridViewTextBoxColumn()
    Me.DataGridViewTextBoxColumn5 = New System.Windows.Forms.DataGridViewTextBoxColumn()
    Me.DataGridViewTextBoxColumn6 = New System.Windows.Forms.DataGridViewTextBoxColumn()
    CType(Me.DataGridView2, System.ComponentModel.ISupportInitialize).BeginInit()
    CType(Me.TblteacherloadDataSet2, System.ComponentModel.ISupportInitialize).BeginInit()
    CType(Me.TblteacherloadDataSet1, System.ComponentModel.ISupportInitialize).BeginInit()
    CType(Me.TblteacherloadDataSet3, System.ComponentModel.ISupportInitialize).BeginInit()
    CType(Me.BindingSource1, System.ComponentModel.ISupportInitialize).BeginInit()
    Me.SuspendLayout()
    '
    'Label1
    '
    Me.Label1.AutoSize = True
    Me.Label1.Font = New System.Drawing.Font("Lucida Calligraphy", 18.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
    Me.Label1.Location = New System.Drawing.Point(610, 18)
    Me.Label1.Name = "Label1"
    Me.Label1.Size = New System.Drawing.Size(217, 31)
    Me.Label1.TabIndex = 0
    Me.Label1.Text = "Teacher's Load"
    '
    'Label2
    '
    Me.Label2.AutoSize = True
    Me.Label2.Location = New System.Drawing.Point(22, 74)
    Me.Label2.Name = "Label2"
    Me.Label2.Size = New System.Drawing.Size(125, 13)
    Me.Label2.TabIndex = 1
    Me.Label2.Text = "Choose Teachers Name:"
    '
    'ComboBox1
    '
    Me.ComboBox1.FormattingEnabled = True
    Me.ComboBox1.Location = New System.Drawing.Point(149, 70)
    Me.ComboBox1.Name = "ComboBox1"
    Me.ComboBox1.Size = New System.Drawing.Size(121, 21)
    Me.ComboBox1.TabIndex = 2
    '
    'lblBack
    '
    Me.lblBack.AutoSize = True
    Me.lblBack.Location = New System.Drawing.Point(22, 30)
    Me.lblBack.Name = "lblBack"
    Me.lblBack.Size = New System.Drawing.Size(50, 13)
    Me.lblBack.TabIndex = 94
    Me.lblBack.TabStop = True
    Me.lblBack.Text = "<<<Back"
    '
    'Panel1
    '
    Me.Panel1.BackColor = System.Drawing.Color.Black
    Me.Panel1.Location = New System.Drawing.Point(549, 52)
    Me.Panel1.Name = "Panel1"
    Me.Panel1.Size = New System.Drawing.Size(272, 10)
    Me.Panel1.TabIndex = 95
    '
    'DataGridView2
    '
    Me.DataGridView2.AutoGenerateColumns = False
    Me.DataGridView2.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize
    Me.DataGridView2.Columns.AddRange(New System.Windows.Forms.DataGridViewColumn() {Me.Name, Me.DataGridViewTextBoxColumn1, Me.NameDataGridViewTextBoxColumn, Me.DataGridViewTextBoxColumn2, Me.DataGridViewTextBoxColumn3, Me.DataGridViewTextBoxColumn4, Me.DataGridViewTextBoxColumn5, Me.DataGridViewTextBoxColumn6})
    Me.DataGridView2.DataSource = Me.BindingSource1
    Me.DataGridView2.Location = New System.Drawing.Point(45, 97)
    Me.DataGridView2.Name = "DataGridView2"
    Me.DataGridView2.Size = New System.Drawing.Size(753, 178)
    Me.DataGridView2.TabIndex = 96
    '
    'Name
    '
    Me.Name.DataPropertyName = "Name"
    Me.Name.HeaderText = "Name"
    Me.Name.Name = "Name"
    '
    'TblteacherloadDataSet2
    '
    Me.TblteacherloadDataSet2.DataSetName = "tblteacherloadDataSet2"
    Me.TblteacherloadDataSet2.SchemaSerializationMode = System.Data.SchemaSerializationMode.IncludeSchema
    '
    'TblteacherloadDataSet1
    '
    Me.TblteacherloadDataSet1.DataSetName = "tblteacherloadDataSet1"
    Me.TblteacherloadDataSet1.SchemaSerializationMode = System.Data.SchemaSerializationMode.IncludeSchema
    '
    'TblteacherloadTableAdapter
    '
    Me.TblteacherloadTableAdapter.ClearBeforeFill = True
    '
    'TextBox1
    '
    Me.TextBox1.Location = New System.Drawing.Point(123, 303)
    Me.TextBox1.Name = "TextBox1"
    Me.TextBox1.Size = New System.Drawing.Size(100, 20)
    Me.TextBox1.TabIndex = 97
    '
    'Label3
    '
    Me.Label3.AutoSize = True
    Me.Label3.Location = New System.Drawing.Point(33, 306)
    Me.Label3.Name = "Label3"
    Me.Label3.Size = New System.Drawing.Size(18, 13)
    Me.Label3.TabIndex = 98
    Me.Label3.Text = "ID"
    '
    'Label4
    '
    Me.Label4.AutoSize = True
    Me.Label4.Location = New System.Drawing.Point(33, 351)
    Me.Label4.Name = "Label4"
    Me.Label4.Size = New System.Drawing.Size(85, 13)
    Me.Label4.TabIndex = 100
    Me.Label4.Text = "Teacher's Name"
    '
    'TextBox2
    '
    Me.TextBox2.Location = New System.Drawing.Point(123, 348)
    Me.TextBox2.Name = "TextBox2"
    Me.TextBox2.Size = New System.Drawing.Size(100, 20)
    Me.TextBox2.TabIndex = 99
    '
    'Label5
    '
    Me.Label5.AutoSize = True
    Me.Label5.Location = New System.Drawing.Point(337, 310)
    Me.Label5.Name = "Label5"
    Me.Label5.Size = New System.Drawing.Size(43, 13)
    Me.Label5.TabIndex = 104
    Me.Label5.Text = "Subject"
    '
    'TextBox3
    '
    Me.TextBox3.Location = New System.Drawing.Point(123, 393)
    Me.TextBox3.Name = "TextBox3"
    Me.TextBox3.Size = New System.Drawing.Size(100, 20)
    Me.TextBox3.TabIndex = 103
    '
    'Label6
    '
    Me.Label6.AutoSize = True
    Me.Label6.Location = New System.Drawing.Point(33, 394)
    Me.Label6.Name = "Label6"
    Me.Label6.Size = New System.Drawing.Size(43, 13)
    Me.Label6.TabIndex = 102
    Me.Label6.Text = "Section"
    '
    'TextBox4
    '
    Me.TextBox4.Location = New System.Drawing.Point(427, 303)
    Me.TextBox4.Name = "TextBox4"
    Me.TextBox4.Size = New System.Drawing.Size(100, 20)
    Me.TextBox4.TabIndex = 101
    '
    'Label7
    '
    Me.Label7.AutoSize = True
    Me.Label7.Location = New System.Drawing.Point(337, 393)
    Me.Label7.Name = "Label7"
    Me.Label7.Size = New System.Drawing.Size(30, 13)
    Me.Label7.TabIndex = 108
    Me.Label7.Text = "Time"
    '
    'TextBox5
    '
    Me.TextBox5.Location = New System.Drawing.Point(427, 345)
    Me.TextBox5.Name = "TextBox5"
    Me.TextBox5.Size = New System.Drawing.Size(100, 20)
    Me.TextBox5.TabIndex = 107
    '
    'Label8
    '
    Me.Label8.AutoSize = True
    Me.Label8.Location = New System.Drawing.Point(337, 348)
    Me.Label8.Name = "Label8"
    Me.Label8.Size = New System.Drawing.Size(26, 13)
    Me.Label8.TabIndex = 106
    Me.Label8.Text = "Day"
    '
    'TextBox6
    '
    Me.TextBox6.Location = New System.Drawing.Point(427, 394)
    Me.TextBox6.Name = "TextBox6"
    Me.TextBox6.Size = New System.Drawing.Size(100, 20)
    Me.TextBox6.TabIndex = 105
    '
    'Label9
    '
    Me.Label9.AutoSize = True
    Me.Label9.Location = New System.Drawing.Point(588, 306)
    Me.Label9.Name = "Label9"
    Me.Label9.Size = New System.Drawing.Size(35, 13)
    Me.Label9.TabIndex = 112
    Me.Label9.Text = "Room"
    '
    'TextBox7
    '
    Me.TextBox7.Location = New System.Drawing.Point(678, 303)
    Me.TextBox7.Name = "TextBox7"
    Me.TextBox7.Size = New System.Drawing.Size(100, 20)
    Me.TextBox7.TabIndex = 111
    '
    'Button1
    '
    Me.Button1.Location = New System.Drawing.Point(591, 435)
    Me.Button1.Name = "Button1"
    Me.Button1.Size = New System.Drawing.Size(94, 30)
    Me.Button1.TabIndex = 113
    Me.Button1.Text = "SUBMIT"
    Me.Button1.UseVisualStyleBackColor = True
    '
    'TblteacherloadTableAdapter1
    '
    Me.TblteacherloadTableAdapter1.ClearBeforeFill = True
    '
    'TblteacherloadDataSet3
    '
    Me.TblteacherloadDataSet3.DataSetName = "tblteacherloadDataSet3"
    Me.TblteacherloadDataSet3.SchemaSerializationMode = System.Data.SchemaSerializationMode.IncludeSchema
    '
    'BindingSource1
    '
    Me.BindingSource1.DataMember = "tblteacherload"
    Me.BindingSource1.DataSource = Me.TblteacherloadDataSet3
    '
    'TblteacherloadTableAdapter2
    '
    Me.TblteacherloadTableAdapter2.ClearBeforeFill = True
    '
    'DataGridViewTextBoxColumn1
    '
    Me.DataGridViewTextBoxColumn1.DataPropertyName = "ID"
    Me.DataGridViewTextBoxColumn1.HeaderText = "ID"
    Me.DataGridViewTextBoxColumn1.Name = "DataGridViewTextBoxColumn1"
    '
    'NameDataGridViewTextBoxColumn
    '
    Me.NameDataGridViewTextBoxColumn.DataPropertyName = "Name"
    Me.NameDataGridViewTextBoxColumn.HeaderText = "Name"
    Me.NameDataGridViewTextBoxColumn.Name = "NameDataGridViewTextBoxColumn"
    '
    'DataGridViewTextBoxColumn2
    '
    Me.DataGridViewTextBoxColumn2.DataPropertyName = "Section"
    Me.DataGridViewTextBoxColumn2.HeaderText = "Section"
    Me.DataGridViewTextBoxColumn2.Name = "DataGridViewTextBoxColumn2"
    '
    'DataGridViewTextBoxColumn3
    '
    Me.DataGridViewTextBoxColumn3.DataPropertyName = "Subject"
    Me.DataGridViewTextBoxColumn3.HeaderText = "Subject"
    Me.DataGridViewTextBoxColumn3.Name = "DataGridViewTextBoxColumn3"
    '
    'DataGridViewTextBoxColumn4
    '
    Me.DataGridViewTextBoxColumn4.DataPropertyName = "Day"
    Me.DataGridViewTextBoxColumn4.HeaderText = "Day"
    Me.DataGridViewTextBoxColumn4.Name = "DataGridViewTextBoxColumn4"
    '
    'DataGridViewTextBoxColumn5
    '
    Me.DataGridViewTextBoxColumn5.DataPropertyName = "Time"
    Me.DataGridViewTextBoxColumn5.HeaderText = "Time"
    Me.DataGridViewTextBoxColumn5.Name = "DataGridViewTextBoxColumn5"
    '
    'DataGridViewTextBoxColumn6
    '
    Me.DataGridViewTextBoxColumn6.DataPropertyName = "Room"
    Me.DataGridViewTextBoxColumn6.HeaderText = "Room"
    Me.DataGridViewTextBoxColumn6.Name = "DataGridViewTextBoxColumn6"
    '
    'frmTeacherload
    '
    Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
    Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
    Me.ClientSize = New System.Drawing.Size(839, 494)
    Me.Controls.Add(Me.Button1)
    Me.Controls.Add(Me.Label9)
    Me.Controls.Add(Me.TextBox7)
    Me.Controls.Add(Me.Label7)
    Me.Controls.Add(Me.TextBox5)
    Me.Controls.Add(Me.Label8)
    Me.Controls.Add(Me.TextBox6)
    Me.Controls.Add(Me.Label5)
    Me.Controls.Add(Me.TextBox3)
    Me.Controls.Add(Me.Label6)
    Me.Controls.Add(Me.TextBox4)
    Me.Controls.Add(Me.Label4)
    Me.Controls.Add(Me.TextBox2)
    Me.Controls.Add(Me.Label3)
    Me.Controls.Add(Me.TextBox1)
    Me.Controls.Add(Me.DataGridView2)
    Me.Controls.Add(Me.Panel1)
    Me.Controls.Add(Me.lblBack)
    Me.Controls.Add(Me.ComboBox1)
    Me.Controls.Add(Me.Label2)
    Me.Controls.Add(Me.Label1)
    Me.Name = "frmTeacherload"
    Me.Text = "First Books Learning Center"
    CType(Me.DataGridView2, System.ComponentModel.ISupportInitialize).EndInit()
    CType(Me.TblteacherloadDataSet2, System.ComponentModel.ISupportInitialize).EndInit()
    CType(Me.TblteacherloadDataSet1, System.ComponentModel.ISupportInitialize).EndInit()
    CType(Me.TblteacherloadDataSet3, System.ComponentModel.ISupportInitialize).EndInit()
    CType(Me.BindingSource1, System.ComponentModel.ISupportInitialize).EndInit()
    Me.ResumeLayout(False)
    Me.PerformLayout()

End Sub
Friend WithEvents frmTeacherload As System.Windows.Forms.Form
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents Label2 As System.Windows.Forms.Label
Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
Friend WithEvents lblBack As System.Windows.Forms.LinkLabel
Friend WithEvents Panel1 As System.Windows.Forms.Panel
Friend WithEvents DataGridView2 As System.Windows.Forms.DataGridView
Friend WithEvents TblteacherloadDataSet1 As WindowsApplication1.tblteacherloadDataSet1
Friend WithEvents TblteacherloadBindingSource As System.Windows.Forms.BindingSource
Friend WithEvents TblteacherloadTableAdapter As WindowsApplication1.tblteacherloadDataSet1TableAdapters.tblteacherloadTableAdapter
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents Label3 As System.Windows.Forms.Label
Friend WithEvents Label4 As System.Windows.Forms.Label
Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
Friend WithEvents Label5 As System.Windows.Forms.Label
Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
Friend WithEvents Label6 As System.Windows.Forms.Label
Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
Friend WithEvents Label7 As System.Windows.Forms.Label
Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
Friend WithEvents Label8 As System.Windows.Forms.Label
Friend WithEvents TextBox6 As System.Windows.Forms.TextBox
Friend WithEvents Label9 As System.Windows.Forms.Label
Friend WithEvents TextBox7 As System.Windows.Forms.TextBox
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents TblteacherloadDataSet2 As WindowsApplication1.tblteacherloadDataSet2
Friend WithEvents TblteacherloadBindingSource1 As System.Windows.Forms.BindingSource
Friend WithEvents TblteacherloadTableAdapter1 As WindowsApplication1.tblteacherloadDataSet2TableAdapters.tblteacherloadTableAdapter
Friend WithEvents IDDataGridViewTextBoxColumn As System.Windows.Forms.DataGridViewTextBoxColumn
Shadows WithEvents Name As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents SectionDataGridViewTextBoxColumn As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents SubjectDataGridViewTextBoxColumn As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents DayDataGridViewTextBoxColumn As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents TimeDataGridViewTextBoxColumn As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents RoomDataGridViewTextBoxColumn As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents TblteacherloadDataSet3 As WindowsApplication1.tblteacherloadDataSet3
Friend WithEvents BindingSource1 As System.Windows.Forms.BindingSource
Friend WithEvents TblteacherloadTableAdapter2 As WindowsApplication1.tblteacherloadDataSet3TableAdapters.tblteacherloadTableAdapter
Friend WithEvents DataGridViewTextBoxColumn1 As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents NameDataGridViewTextBoxColumn As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents DataGridViewTextBoxColumn2 As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents DataGridViewTextBoxColumn3 As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents DataGridViewTextBoxColumn4 As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents DataGridViewTextBoxColumn5 As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents DataGridViewTextBoxColumn6 As System.Windows.Forms.DataGridViewTextBoxColumn

错误在这一行

Me.Name = New System.Windows.Forms.DataGridViewTextBoxColumn()
DataGridView控件上有一个名为“Name”的列,表单有一个名为“Name”的属性。 当设计者找到上面的行时,它认为那是表单的属性名

如果你往下看设计器代码,你会发现另一行

Me.Name = "frmTeacherload"

要修复该错误,您必须重命名该列。

您发布了所有代码(顺便说一句,这不是必需的),但没有指出错误发生的位置?最好将代码的相关部分张贴在发生错误的地方。这个网站上95%的人没有时间或倾向于检查你的代码,试图猜测错误发生在哪里。作为跟进,我认为
数据库
对象上的
ToDataGrid
方法可能是你需要开始的地方。这个异常是不言自明的。@Tim先生,错误发生在vb生成的代码的“Me.Name=“frmTeacherload”上。很抱歉,我忘了发布它。我尝试过调试,但该错误阻碍了我处理代码的设计视图。。我希望你能帮助我,感谢位置与错误不匹配message@Plutonix这就是下划线出现的地方,先生。。更确切地说,感谢您,
Me.Name
需要的是
字符串,而不是
System.Windows.Forms.DataGridViewTextBoxColumn
。这也为我解决了同样的问题。非常感谢。
Me.Name = "frmTeacherload"