c# - 如何从html标签内部获取文本框值

Question

我想使用 TextBox1 值从 SqlDataSource 标记中选择数据到 gridview。如何修改文件后面的 ASP.net 代码。

<asp:SqlDataSource ID="SqlDataSource1" runat="server" 
SelectCommand= "select distinct [Species],[qty],[received],[Discard],[mortility],[dispatch],[dispatch],[dpt_sales] from  [vw_getFishDtls] where [Tank_id]=TextBox1.Text and [ftype] =(select [ftype] from [vw_getFishType] where [Tank_id]=TextBox1.Text"
ConnectionString="Data Source=IT-ISHAN;Initial Catalog=ETF;User Id=ishanuk77; Password=ishanuk77;">
</asp:SqlDataSource>

Answer 1

您可以添加ControlParameter如下

<asp:SqlDataSource ID="SqlDataSource1" runat="server" 
SelectCommand= "select distinct [Species],[qty],[received],[Discard],[mortility],[dispatch],[dispatch],[dpt_sales] from  [vw_getFishDtls] where [Tank_id]=TextBox1.Text and [ftype] =(select [ftype] from [vw_getFishType] where [Tank_id]=@Tank_id"
ConnectionString="Data Source=IT-ISHAN;Initial Catalog=ETF;User Id=ishanuk77; Password=ishanuk77;">
    <SelectParameters>
        <asp:ControlParameter ControlID="TextBox1" Name="Tank_id"
            PropertyName="Text" />
    </SelectParameters>
</asp:SqlDataSource>