我们可以有一个列表框在GridView的一个领域，也可以使一个GridView内可编辑字段..？ [英] Can we have a listbox as a field in Gridview, and also can be make editable fields inside a Gridview..?

问题描述

我要创建为医生，其中药物是自动从数据库截取的prescription，然后医生可以写入将要采取自己的药物的类型，效力和频率。

I have to create a prescription for doctor, where medicines are automatically taken from database, and doctors can then write the type, potency and frequency of the medicine to be taken themselves.

所以我想检索的GridView 中的药品，一个列表框里面键入领域。这可能吗。

So I want to retrieve medicines within a Gridview, inside a Listbox type field. Is this possible.

其次我也想，如果药是不是在数据库present，医生可以编辑列表框添加它。最后，我想一些直接编辑字段，如文本框的效力，频率和类型。

Secondly I also want that if a medicine is not present in the database, doctors can edit a Listbox to add it. Finally I want some directly editable fields like Textboxes for potency, frequency and type.

推荐答案

当然，你可以做到这一点。您只需将一个文本框或的ListBox 或任何你选择的GridView内部控制。你还可以用一些值初始化它们，或者，你可以在其中插入值。

Of course, you can do that. you just place a TextBox or ListBox or whatever control of your choice inside GridView. And you can initialize them with some value or, you can insert value in it.

这是你需要的全部，就是找到在GridView里面的控制，因为它是一个数据中继器控制，所以假设你将一个文本框在GridView里面，你有5个项目，然后5列表束缚，这样的文本框将被渲染，所以你需要能够准确地找到您所需的文本框。

All that you are required to is to find those controls inside the GridView, as it is a data-repeater control, so suppose you place one textbox inside the GridView, and you bound it with a List having 5 items, then 5 such textboxes will be rendered, so you need to be able to exactly locate your required textBox.

下面我给你一个超级简单的例子。

Below am giving you a super simple example.

你的GridView的标记：

your GridView markup:

<asp:GridView ID="Review_grid" runat="server" AllowPaging="True" PageSize="10" 
            AutoGenerateColumns="False" onrowdatabound="Review_grid_RowDataBound" 
            >
            <Columns>
                <asp:TemplateField HeaderText="ListBox">
                    <ItemTemplate>
                        <asp:ListBox ID="lstBox" runat="server"></asp:ListBox>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="TextBox">
                    <ItemTemplate>
                        <asp:TextBox ID="txtBox" runat="server"></asp:TextBox>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>

您codebehind code。

your codebehind code.

///create datasource for your GridView.
public void BindGrid()
{
    DataTable db = new DataTable();
    db.Columns.Add("col1");
    db.Columns.Add("col2");
    db.Columns.Add("col3");
    db.Rows.Add("1", "2", "3");
    db.Rows.Add("1", "2", "3");
    db.Rows.Add("1", "2", "3");

    Review_grid.DataSource = db;
    Review_grid.DataBind();
}

在的RowDataBound GridView控件的事件陷阱控制，将它们与一些值初始化：

trap controls in RowDataBound event of GridView, to initialize them with some value:

protected void Review_grid_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                //find ListBox
                ListBox lst = (ListBox)e.Row.FindControl("lstBox");
                lst.Items.Add(new ListItem("item1"));
                lst.Items.Add(new ListItem("item2"));
                lst.Items.Add(new ListItem("item3"));

                //find textBox
                TextBox txt = (TextBox)e.Row.FindControl("txtBox");
                txt.Text = "test";

            }
        }

致电 BindGrid（）在的Page_Load 页面。

您需要探索更多关于的GridView 以及其他< A HREF =htt​​p://www.asp.net/web-forms/overview/aspnet-data-controls相对=nofollow> dataControls 。

You need to explore more about GridView and Other dataControls.

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