asp.net 中一次性更新DATAGRID中所有记录

王朝asp·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

在asp.net中,如何一次性更新datagrid中的所有记录呢?可以用如下的方法,首先,

要对DATAGRID中要更新的列建立模版列,比如:

asp:datagrid id="dgPopularFAQs" runat="server"

AutoGenerateColumns="False"

...>

<Columns>

<asp:BoundColumn DataField="FAQID" ItemStyle-Width="10%"

ItemStyle-HorizontalAlign="Center" HeaderText="FAQ ID" />

<asp:BoundColumn DataField="CategoryName" HeaderText="Category" />

<asp:TemplateColumn HeaderText="Question">

<ItemTemplate>

<asp:TextBox runat="server" id="txtDescription" Columns="75"

Text='<%# Container.DataItem("Description") %>' />

</ItemTemplate>

</asp:TemplateColumn>

<asp:TemplateColumn HeaderText="Submitted By">

<ItemTemplate>

<asp:TextBox runat="server" id="txtSubmittedBy"

Text='<%# Container.DataItem("SubmittedByName") %>' />

</ItemTemplate>

</asp:TemplateColumn>

</Columns>

</asp:datagrid>

之后,对DATAGRID进行一次遍历,

Dim myConnection as New SqlConnection(connection string)

Dim myCommand as New SqlCommand(strSQL, myConnection)

Dim dgi as DataGridItem

For Each dgi in dgPopularFAQs.Items

'Read in the Primary Key Field

Dim id as Integer = Convert.ToInt32(dgPopularFAQs.DataKeys(dgi.ItemIndex))

Dim question as String = CType(dgi.FindControl("txtDescription"), TextBox).Text

Dim submittedBy as String = CType(dgi.FindControl("txtSubmittedBy"), TextBox).Text

'Issue an UPDATE statement...

Dim updateSQL as String = "UPDATE TableName SET Question = @Question, " & _

"SubmittedByName = @SubmittedByName WHERE FAQID = @ID"

myCommand.Parameters.Clear()

myCommand.Parameters.Add("@Question", question)

myCommand.Parameters.Add("@SubmittedByName", submittedBy)

myCommand.ExecuteNonQuery()

Next

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
 
 
© 2005- 王朝網路 版權所有  導航