我在下面的ASP Gridview中有两个文本框模板字段 我想使用文本框A的onkeyup事件来根据在文本框A中输入的值更改文本框B中的值
<asp:GridView ID="dgw" runat="server" CssClass="table table-striped table-bordered table-hover table-responsive table-condensed" AutoGenerateColumns="False">
<Columns>
<asp:TemplateField HeaderText="ID">
<HeaderTemplate >
<asp:CheckBox ID="chkboxSelectAll" runat="server" onclick="checkAll(this);" />
</HeaderTemplate>
<ItemTemplate >
<asp:CheckBox ID="LinkButtonEdit" runat="server" CommandName="viewinvoice" CssClass="btn btn-default btn-xs btn-block"
CommandArgument='<%#Eval("ID")%>'></asp:CheckBox>
</ItemTemplate>
<HeaderStyle HorizontalAlign="Center" />
<ItemStyle HorizontalAlign="Center" />
</asp:TemplateField>
<asp:BoundField DataField="D_NAME" HeaderText="District" />
<asp:BoundField DataField="R_MANAGER" HeaderText="Regional Manager" />
<asp:BoundField DataField="DISTRICTMANAGER" HeaderText="District Manager" />
<asp:BoundField DataField="PHONENUMBER" HeaderText="District Manager #." />
<asp:BoundField DataField="TOTAL" HeaderText="Total" DataFormatString="{0:n2}"/>
<asp:TemplateField HeaderText="Qty of Bags" SortExpression="">
<ItemTemplate>
<asp:TextBox ID="txtqty" runat="server" data-style="btn-inverse" Text='<%# Bind("QTY") %>' CssClass="form-control" onkeypress="return isNumberKey(event,this)" >
</asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Amount" SortExpression="">
<ItemTemplate>
<asp:TextBox ID="txtamt" runat="server" data-style="btn-inverse" Text='<%# Bind("AMOUNT") %>' CssClass="form-control" onkeypress="return isNumberKey(event,this)" >
</asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="D_ID" HeaderText="" />
<asp:BoundField DataField="RMID" HeaderText="" />
<asp:BoundField DataField="D_MANAGERID" HeaderText="" />
<asp:BoundField DataField="LASTDATE" HeaderText="Last disbursed" />
<asp:BoundField DataField="PPK" HeaderText="" />
</Columns>
<HeaderStyle HorizontalAlign="Right" Wrap="True" />