[GridView] RowDataBound 用法(显示图片方法为例子)
＊显示图片方法为例子
.aspx
<asp:GridView ID="GridView1" runat="server" BackColor="#DEBA84"
BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellPadding="3"
CellSpacing="2" AutoGenerateColumns="False" Width="100%">
<RowStyle BackColor="#FFF7E7" ForeColor="#8C4510" />
<Columns>
<asp:TemplateField HeaderText="图片">
<ItemTemplate>
<asp:Image ID="img0" runat="server" Height="100" ImageUrl="images/no_pic.jpg" /> </ItemTemplate>
<HeaderStyle Width="150px" />
<ItemStyle Width="150px" CssClass="gcc" />
</asp:TemplateField>
</Columns>
<FooterStyle BackColor="#F7DFB5" ForeColor="#8C4510" />
<PagerStyle ForeColor="#8C4510" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#A55129" Font-Bold="True" ForeColor="White" />
</asp:GridView>
.vb
Dim GV_Img_Count As Integer
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If IsPostBack = True Then Exit Sub
Call Reload()
End Sub
Public Sub Reload()
GV_Img_Count = 0
End Sub
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow Then '一定要在
Dim rowView As DataRowView = CType(e.Row.DataItem, DataRowView)
Dim imgFile As System.Web.UI.WebControls.Image = CType(e.Row.FindControl("img0"), System.Web.UI.WebControls.Image)
Dim SQLstr As String
Dim dTb As DataTable
SQLstr = "Select YN=Case 状态 when '0' then '使用中' when '1' then '暂停使用' End,* From Table"
dTb = SqlSelect(SQLstr)
If dTb.Rows.Count <> 0 Then
If dTb.Rows(GV_Img_Count).Item("图片位置").ToString <> "" Then
imgFile.ImageUrl = dTb.Rows(GV_Img_Count).Item("图片位置").ToString
Else
imgFile.ImageUrl = "images/no_pic.jpg"
End If
GV_Img_Count = GV_Img_Count + 1
End If
End If
End Sub