<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)
再调用sqldatasource.insert方法.当然如果嫌麻烦可以自己写一个sqlcommand.executenonquery
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
批量更新数据
cn.Open();
SqlCommand cmd=new SqlCommand("select * from classmate",cn);
da1.SelectCommand=cmd;
SqlCommandBuilder b=new SqlCommandBuilder(da1);
da1.Update(ds,"tb1");
cn.Close();
我的需求是这样的,我要输入学生的考试成绩,可是学生数是不确定的,所以输入框的个数是不固定的。
truelove12(跟着微软混)的方法打算试试。
甜葡萄:我用的是ObjectDataSource和GridView(不是DataGrid),所以你的方法在我这里不行的,因为每一个Item输入完后,GridView都会自动调用ObjectDataSource的Update方法。