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  • GridView控件-01-[简单的数据显示]

    GridView绑定数据分为两种,一种是多值绑定,另一种是字段绑定。

    多值绑定(直接绑定到数据源就行,不需要使用字段):

    前台代码:

    1 <asp:GridView ID="GridView1" runat="server" width="20% " BackColor="White" BorderColor="White" 
    2             BorderStyle="Ridge" BorderWidth="2px" CellPadding="3" CellSpacing="1" GridLines="None" > 
    3             <FooterStyle BackColor="#C6C3C6" ForeColor="Black" />
    4             <RowStyle BackColor="#DEDFDE" ForeColor="Black" />
    5             <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#E7E7FF" />
    6 </asp:GridView>

    *其中太多的代码,是对控件进行美化。没有其它的改变。

    后台代码:

     1 protected void Page_Load(object sender, EventArgs e)
     2 {
     3     string connectionString = ConfigurationManager.ConnectionStrings["connectionString"].ConnectionString;
     4          
     5     SqlConnection connection = new SqlConnection(connectionString);
     6 
     7     connection.Open();
     8 
     9     string sql = "select * from KK";
    10 
    11     SqlCommand cmd = new SqlCommand(sql, connection);
    12 
    13     SqlDataReader sdr = cmd.ExecuteReader();
    14 
    15     GridView1.DataSource = sdr;
    16 
    17     GridView1.DataBind();
    18 
    19     sdr.Close();
    20 
    21     connection.Close();
    22 }

    最终效果:


    -------------------------------------------------------------------------

    字段绑定(使用字段):

    前台代码:

     1 <asp:GridView ID="GridView1" runat="server" width="20% " BackColor="White" BorderColor="White" 
     2             BorderStyle="Ridge" BorderWidth="2px" CellPadding="3" CellSpacing="1" GridLines="None"
     3           AutoGenerateColumns ="false">
     4             <FooterStyle BackColor="#C6C3C6" ForeColor="Black" />
     5           <RowStyle BackColor="#DEDFDE" ForeColor="Black" />
     6             <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#E7E7FF" />
     7     <Columns>
     8         <asp:BoundField DataField ="id" HeaderText ="编号"/>
     9         <asp:BoundField DataField ="name" HeaderText ="姓名"/>
    10     </Columns>
    11 </asp:GridView>

    *要设置AutoGenerateColumns ="false",意思是关闭自动生成列。

    后台代码(与多值绑定的后台代码一样):

     1 protected void Page_Load(object sender, EventArgs e)
     2 {
     3     string connectionString = ConfigurationManager.ConnectionStrings["connectionString"].ConnectionString;
     4          
     5     SqlConnection connection = new SqlConnection(connectionString);
     6 
     7     connection.Open();
     8 
     9     string sql = "select * from KK";
    10 
    11     SqlCommand cmd = new SqlCommand(sql, connection);
    12 
    13     SqlDataReader sdr = cmd.ExecuteReader();
    14 
    15     GridView1.DataSource = sdr;
    16 
    17     GridView1.DataBind();
    18 
    19     sdr.Close();
    20 
    21     connection.Close();
    22 }

    最终效果

    如果AutoGenerateColumns ="true"(如果设置自动生成列):

    如果AutoGenerateColumns ="false"(如果不设置自动生成列):

    以上是GridView的第一版本。

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  • 原文地址:https://www.cnblogs.com/KTblog/p/4273652.html
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