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gridview行索引獲取方法及實現(xiàn)代碼

 更新時間：2013年01月14日 10:41:06   作者：  
GridView行索引的獲取有利于對GridView行數(shù)據(jù)進行操作(刪、改)等等，接下來介紹獲取方法，感興趣的朋友可以了解下，閱讀本文希望對你有幫助
Insus.NET為了演示這個例子，首先準好數(shù)據(jù)，創(chuàng)建一個類別
Cosmetic.vb
復制代碼 代碼如下:

Imports Microsoft.VisualBasic
Namespace Insus.NET
Public Class Cosmetic
Private _ID As Integer
Private _Type As String
Private _Name As String
Private _Weight As Decimal
Private _UM As String
Public Property ID As Integer
Get
Return _ID
End Get
Set(value As Integer)
_ID = value
End Set
End Property
Public Property Type As String
Get
Return _Type
End Get
Set(value As String)
_Type = value
End Set
End Property
Public Property Name As String
Get
Return _Name
End Get
Set(value As String)
_Name = value
End Set
End Property
Public Property Weight As Decimal
Get
Return _Weight
End Get
Set(value As Decimal)
_Weight = value
End Set
End Property
Public Property UM As String
Get
Return _UM
End Get
Set(value As String)
_UM = value
End Set
End Property
Public Sub New()
End Sub
Public Sub New(id As Integer, type As String, name As String, weight As Decimal, um As String)
Me._ID = id
Me._Type = type
Me._Name = name
Me._Weight = weight
Me._UM = um
End Sub
End Class
End Namespace

上面創(chuàng)建好的只是一對象，得需用數(shù)據(jù)填充，讓它有血有肉有靈魂。
復制代碼 代碼如下:

Private Function GetData() As List(Of Cosmetic)
Dim o As New List(Of Cosmetic)
Dim c As New Cosmetic(1, "滋潤霜", "玉蘭油", 50, "g")
o.Add(c)
Dim c1 As New Cosmetic(2, "滋潤霜", "雅詩蘭黛", 100, "g")
o.Add(c1)
Dim c2 As New Cosmetic(3, "滋潤霜", " 蘭蔻", 80, "g")
o.Add(c2)
Dim c3 As New Cosmetic(4, "滋潤霜", "歐萊雅", 60, "g")
o.Add(c3)
Dim c4 As New Cosmetic(5, "滋潤霜", "芭比波朗", 120, "g")
o.Add(c4)
Return o
End Function

在aspx網頁上放一個Gridview控件：
復制代碼 代碼如下:

<asp:GridView ID="GridViewCosmetic" runat="server" Width="300" AutoGenerateColumns="false">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
ID
</HeaderTemplate>
<ItemTemplate>
<%# Eval("ID")%>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<HeaderTemplate>
Type
</HeaderTemplate>
<ItemTemplate>
<%# Eval("Type")%>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<HeaderTemplate>
Name
</HeaderTemplate>
<ItemTemplate>
<%# Eval("Name")%>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemStyle HorizontalAlign="Right" />
<HeaderTemplate>
Weight
</HeaderTemplate>
<ItemTemplate>
<%# Eval("Weight")%>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<HeaderTemplate>
UM
</HeaderTemplate>
<ItemTemplate>
<%# Eval("UM") %>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>

當然得對這個控件，進行數(shù)據(jù)綁定，引用命名空間Imports Insus.NET
復制代碼 代碼如下:

Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load
If Not IsPostBack Then
Data_Binding()
End If
End Sub
Private Sub Data_Binding()
Me.GridViewCosmetic.DataSource = GetData()
Me.GridViewCosmetic.DataBind()
End Sub

接下來，我們開始演示，在GridView控件最后一列，添加一列，選擇列：
復制代碼 代碼如下:

<asp:TemplateField>
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" Text="選擇" OnClientClick="return GetSelectedRow(this)" />
</ItemTemplate>
</asp:TemplateField>

上面html代碼中，有一個OnClientClick="return GetSelectedRow(this)" 客戶端事件。
復制代碼 代碼如下:

<script type="text/javascript">
function GetSelectedRow(obj) {
var row = obj.parentNode.parentNode;
var rowIndex = row.rowIndex - 1;
alert("你選擇的行索引是：" + rowIndex);
return false;
}
</script>

動畫演示：

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