Asp.net 如何在Visual Basic中向datagridview控件添加新记录?
我想在我的网站上添加一个简单的表格/excel格式的feauture,它将显示一些值。因此,我添加了一个gridview。我根本不使用数据集或数据库投标。我只有一张有两个条目的小表格。当用户单击按钮时,我想将一些值作为新行添加到datagridview控件中。如何向VB.NET中的datagridview控件添加新记录 我尝试过以下代码:Asp.net 如何在Visual Basic中向datagridview控件添加新记录?,asp.net,.net,vb.net,datagridview,Asp.net,.net,Vb.net,Datagridview,我想在我的网站上添加一个简单的表格/excel格式的feauture,它将显示一些值。因此,我添加了一个gridview。我根本不使用数据集或数据库投标。我只有一张有两个条目的小表格。当用户单击按钮时,我想将一些值作为新行添加到datagridview控件中。如何向VB.NET中的datagridview控件添加新记录 我尝试过以下代码: GridView1.Rows.Add(New String() {Value1, Value2}) 但我得到一个错误: “Add”不是“System.Web
GridView1.Rows.Add(New String() {Value1, Value2})
但我得到一个错误:
“Add”不是“System.Web.UI.WebControl.GridViewRowCollection”的成员
我的ASPX:
<asp:GridView ID="GridView1" runat="server" Width="731px">
<Columns>
<asp:BoundField HeaderText="Name" />
<asp:BoundField HeaderText="Grade" />
</Columns>
</asp:GridView>
好的。使用数据表,如
protected void Page_Load(object sender,EventArgs e)
{
if(!IsPostback)
{
DataTable myDataTable = new DataTable();
DataColumn myDataColumn;
myDataColumn = new DataColumn();
myDataColumn.DataType = Type.GetType("System.String");
myDataColumn.ColumnName = "Value1";
myDataTable.Columns.Add(myDataColumn);
myDataColumn = new DataColumn();
myDataColumn.DataType = Type.GetType("System.String");
myDataColumn.ColumnName = "Value2";
myDataTable.Columns.Add(myDataColumn);
ViewState["Data"]=myDataTable;
}
}
protected void btnAdd(object sender,EventArgs e)
{
Datatable Dt=(Datatable)ViewState["Data"];
DataRow Dr=Dt.NewRow();
Dr[0]=TextBox1.Text;
Dr[1]=TextBox2.Text;
Dt.Rows.Add(Dr);
ViewState["Data"]=Dt;
}
希望这能对你有所帮助。这很容易。您所要做的就是将网格绑定到任何集合,例如列表、数组、数据表。创建您的记录类
Public Class MyRecord
Private _name As String = ""
Private _grade As Integer = ""
Public Property Name() As String
Get
Return Me._name
End Get
Set(ByVal value As String)
Me._name = Value
End Set
End Property
Public Property Grade() As Integer
Get
Return Me._grade
End Get
Set(ByVal value As Integer)
Me._grade = Value
End Set
End Property
End Class
在页面中,将网格绑定到列表
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPotback Then
Dim list As New List(Of MyRecord)()
list.Add(New MyRecord() With { _
Key .Name = "dsfsdf", _
Key .Grade = 45 _
})
list.Add(New MyRecord() With { _
Key .Name = "dsfsd234f", _
Key .Grade = 50 _
})
Session("MyList") = list
GridView1.DataSource = list
GridView1.DataBind()
End If
End Sub
然后在单击事件时添加一些带有文本框、按钮和句柄按钮的表单
Protected Sub btn_Click(sender As Object, e As EventArgs) Handles btn.Click
Dim list As New List(Of MyRecord)
If Session("MyList") Is Not Nothing Then
list = DirectCast(Session("MyList"), List(Of MyRecord))
End If
list.Add(New MyRecord() With { _
Key .Name = txt1.Text, _
Key .Grade = Convert.ToInt32(txt2.Text) _
})
GridView1.DataSource = list
GridView1.DataBind()
End Sub
抱歉,如果出现任何错误,我是一名C#开发人员您能否在我的aspx后面提供您的aspx标记和代码: