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我在GridView的TemplateField中有一個TextBox。我在GridView下面有一個按鈕。當我在GridView的文本框中輸入一些文本時,我想啓用按鈕。這個怎麼做?我正在使用ASP.Net和C#.Net。在GridView的如何使用JavaScript在ASP.Net中的GridView中啓用基於TextBox的按鈕?
我的源代碼:
<table>
<tr>
<td>
<asp:GridView ID="gvQCAttribute" runat="server" AllowPaging="true" AutoGenerateColumns="false"
CellPadding="0" CssClass="datagrid" DataKeyNames="ItemID" EnableTheming="false"
PageSize="10" Width="100%">
<EmptyDataTemplate>
<table border="0" cellpadding="0" cellspacing="1" width="100%">
<tr>
<tr>
<th scope="col">
QC Attribute Name
</th>
<th scope="col">
PO Attribute Value
</th>
<th scope="col">
Negative Tolerance
</th>
<th scope="col">
Positive Tolerance
</th>
<th scope="col">
Remarks
</th>
</tr>
</tr>
</table>
</EmptyDataTemplate>
<SelectedRowStyle CssClass="rowselect" />
<HeaderStyle ForeColor="White" />
<AlternatingRowStyle CssClass="table_oddrow" />
<RowStyle CssClass="table_evenrow" />
<PagerStyle CssClass="pager_style" />
<Columns>
<asp:TemplateField HeaderText="ItemID" Visible="false">
<ItemTemplate>
<asp:Label ID="lblgvItemID" runat="server" Text='<%# Bind("ItemID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="QCAttributeID" Visible="false">
<ItemTemplate>
<asp:Label ID="lblgvQCAttributeID" runat="server" Text='<%# Bind("QCAttributeID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Attribute Name">
<ItemTemplate>
<asp:Label ID="txtQCAttributeName" runat="server" Text='<%# Bind("AttributeName") %>'></asp:Label>
</ItemTemplate>
<ItemStyle Width="150px" />
<ControlStyle Width="100%" />
</asp:TemplateField>
<asp:TemplateField HeaderText="POAttrubute Value">
<ItemTemplate>
<asp:TextBox ID="txtPOAttributeValue" runat="server" Text='<%# Bind("POAttributeValue") %>'
onkeyup="return EnableButton(this);" ValidationGroup="Modal" onkeypress="return checkNum(event);"></asp:TextBox>
</ItemTemplate>
<ItemStyle Width="100px" />
<ControlStyle Width="95%" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Negative Tolerance">
<ItemTemplate>
<asp:TextBox ID="txtNegTolerance" runat="server" Text='<%# Bind("NegativeTolerance") %>'
onkeyup="return EnableButton(this);" ValidationGroup="Modal" onkeypress="return checkNum(event);"></asp:TextBox>
</ItemTemplate>
<ItemStyle Width="100px" />
<ControlStyle Width="95%" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Positive Tolerance">
<ItemTemplate>
<asp:TextBox ID="txtPosTolerance" runat="server" Text='<%# Bind("PositiveTolerance") %>'
onkeyup="return EnableButton(this);" ValidationGroup="Modal" onkeypress="return checkNum(event);"></asp:TextBox>
</ItemTemplate>
<ItemStyle Width="100px" />
<ControlStyle Width="95%" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Remarks">
<ItemTemplate>
<asp:TextBox ID="txtRemarks" runat="server" Text='<%# Bind("Remarks") %>' onkeyup="return EnableButton(this);"
ValidationGroup="Modal"></asp:TextBox>
</ItemTemplate>
<ItemStyle Width="100px" />
<ControlStyle Width="95%" />
</asp:TemplateField>
</Columns>
</asp:GridView>
</td>
</tr>
<tr>
<td>
<asp:Button ID="btnmdeSave" runat="server" Text="Save" CssClass="ButtonClass" ValidationGroup="Modal"
OnClick="btnmdeSave_Click" />
</td>
</tr>
</table>
嗨。它在gridview中爲單個文本框工作。但是我想在gridview中的所有三個文本框都有文本時啓用該按鈕。 – thevan 2011-06-02 07:54:38
@thevan - 你能發佈你的gridview的html代碼嗎? – niksvp 2011-06-02 07:56:11
hi niksvp。我發佈了html代碼。請看看它。 – thevan 2011-06-02 08:04:35