在GridView的数据绑定列的ASP.NET设置宽度

问题描述：

我有一个使用绑定列列的一个GridView。我想设置为我的的UserInfo 列了maxWidth。

I have a GridView which uses BoundField for columns. I am trying to set a maxwidth for my UserInfo column.

我试过很多方法很多，但其中的非正常工作。下面是code为我的 GridView控件的：

I have tried many many ways but non of them work. Below is the code for my GridView :

<asp:GridView ID="GridView1" AutoGenerateEditButton="True" 
ondatabound="gv_DataBound" runat="server" DataSourceID="SqlDataSource1"
AutoGenerateColumns="False">

<Columns>
                <asp:BoundField HeaderText="UserId" 
                DataField="UserId" 
                SortExpression="UserId"></asp:BoundField>

                <asp:BoundField HeaderText="Username" 
                DataField="Username" 
                SortExpression="Username"></asp:BoundField>

                <asp:BoundField HeaderText="UserInfo" 
                DataField="UserInfo" 
                SortExpression="UserInfo"></asp:BoundField>

                </Columns>
</asp:GridView>

寻找建议我如何可以设置特定的列，这是我的的UserInfo 列的宽度。

答

我为你做一个小的演示。演示如何显示长文本。

I did a small demo for you. Demonstrating how to display long text.

在这个例子中有一栏名称可以包含很长的文本。在的BoundField 将显示在表格单元格的所有内容，因此需要在单元格将展开（因为内容）

In this example there is a column Name which may contain very long text. The boundField will display all content in a table cell and therefore the cell will expand as needed (because of the content)

在模板列也将呈现为一个单元，但它包含了一个 DIV 其中的限制在宽度任何contet到例如40像素。因此，这列将有某种最大宽度的！

The TemplateField will also be rendered as a cell BUT it contains a div which limits the width of any contet to eg 40px. So this column will have some kind of max-width!

    <asp:GridView ID="gvPersons" runat="server" AutoGenerateColumns="False" Width="100px">
        <Columns>
            <asp:BoundField HeaderText="ID" DataField="ID" />
            <asp:BoundField HeaderText="Name (long)" DataField="Name">
                <ItemStyle Width="40px"></ItemStyle>
            </asp:BoundField>
            <asp:TemplateField HeaderText="Name (short)">
                <ItemTemplate>
                    <div style="width: 40px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis">
                        <%# Eval("Name") %>
                    </div>
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
    </asp:GridView>

下面是我的演示codeBehind

Here is my demo codeBehind

 public partial class gridViewLongText : System.Web.UI.Page
 {
     protected void Page_Load(object sender, EventArgs e)
     {
         #region init and bind data
         List<Person> list = new List<Person>();
         list.Add(new Person(1, "Sam"));
         list.Add(new Person(2, "Max"));
         list.Add(new Person(3, "Dave"));
         list.Add(new Person(4, "TabularasaVeryLongName"));
         gvPersons.DataSource = list;
         gvPersons.DataBind();
         #endregion
     }
 }

 public class Person
 {
     public int ID { get; set; }
     public string Name { get; set; }

     public Person(int _ID, string _Name)
     {
         ID = _ID;
         Name = _Name;
     }
 }

在GridView的数据绑定列的ASP.NET设置宽度

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