格式如下图：
前台格式设置如下：
<asp:DataList ID="DataList1" runat="server" Style="font-size: smaller" OnItemDataBound="DataList1_ItemDataBound"
OnEditCommand="DataList1_EditCommand"
OnCancelCommand="DataList1_CancelCommand"
onupdatecommand="DataList1_UpdateCommand">
<ItemTemplate>
<table style="border: solid 1px black" cellpadding="0" cellspacing="0">
<tr>
<td rowspan="4" style="border-right: solid 1px black; border-bottom: solid 1px black">
<img src='<%#Eval("EmpImage") %>' height="100px" width="120px" />
</td>
</tr>
<tr>
<td style="border-bottom: solid 1px black">
姓名:<%#Eval("EmpName") %>
</td>
</tr>
<tr>
<td style="border-bottom: solid 1px black">
性别:<%#Eval("EmpSex") %>
</td>
</tr>
<tr>
<td style="border-bottom: solid 1px black">
库存:
<asp:Label ID="Label1" runat="server" Text='<%#Eval("UnitCount") %>'></asp:Label>
</td>
</tr>
<tr>
<td colspan="2">
地址:
<%#Eval("EmpAddress") %>
</td>
</tr>
<tr>
<td colspan="2">
<asp:Button ID="Button1" CommandName="Edit" runat="server" Text="编辑" />
</td>
</tr>
</table>
</ItemTemplate>
<EditItemTemplate>
<table style="border: solid 1px black" cellpadding="0" cellspacing="0">
<tr>
<td rowspan="4" style="border-right: solid 1px black; border-bottom: solid 1px black">
<img src='<%#Eval("EmpImage") %>' height="100px" width="120px" />
</td>
</tr>
<tr>
<td style="border-bottom: solid 1px black">
姓名:<asp:TextBox ID="TextBox1" runat="server" Width="60px" Text='<%#Eval("EmpName") %>'></asp:TextBox>
</td>
</tr>
<tr>
<td style="border-bottom: solid 1px black">
性别:
<asp:HiddenField ID="HiddenField1" runat="server" Value ='<%#Eval("EmpSex") %>' />
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem Text="请选择" Value="0"></asp:ListItem>
<asp:ListItem Text="男" Value="1"></asp:ListItem>
<asp:ListItem Text="女" Value="2"></asp:ListItem>
</asp:DropDownList>
</td>
</tr>
<tr>
<td style="border-bottom: solid 1px black">
库存:<%#Eval("UnitCount") %>
</td>
</tr>
<tr>
<td colspan="2">
地址:
<asp:TextBox ID="TextBox4" TextMode="MultiLine" runat="server" Text='<%#Eval("EmpAddress") %>'></asp:TextBox>
</td>
</tr>
<tr>
<td colspan="2">
<asp:Button ID="Button2" runat="server" Text="修改" CommandName="Update" />
<asp:Button ID="Button3" runat="server" Text="取消" CommandName="Cancel" />
</td>
</tr>
</table>
</EditItemTemplate>
<%-- <AlternatingItemTemplate>
<hr />
</AlternatingItemTemplate>--%>
</asp:DataList>
后台代码：
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
databind();
}
}
public void databind()
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["Conn"].ToString());
SqlCommand cmd = new SqlCommand("SELECT * FROM T_Users", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
this.DataList1.DataSource = ds.Tables[0];
this.DataList1.DataKeyField = "EmpID";
// this.GridView1.DataKeyNames = new string[] { "CustomerID", "City" };
this.DataList1.DataBind();
}
protected void DataList1_ItemDataBound(object sender, DataListItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item|| e.Item.ItemType == ListItemType .AlternatingItem)
{
Label lb = (Label)e.Item.FindControl("Label1");
if (lb.Text == "1")
{
lb.Text = "库存不足";
}
}
else if (e.Item.ItemType == ListItemType.EditItem)
{
DropDownList dr = (DropDownList)e.Item.FindControl("DropDownList1");
if (dr != null)
{
string str = ((HiddenField)e.Item.FindControl("HiddenField1")).Value;
if (str == "男")
{
dr.SelectedIndex = 1;
}
else
{
dr.SelectedIndex = 2;
}
}
}
// e.Item.Attributes.Add("style", "border-color:black");
}
protected void DataList1_EditCommand(object source, DataListCommandEventArgs e)
{
this.DataList1.EditItemIndex = e.Item.ItemIndex;
databind();
}
protected void DataList1_CancelCommand(object source, DataListCommandEventArgs e)
{
this.DataList1.EditItemIndex = -1;
databind();
}
protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["Conn"].ToString());
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
cmd.CommandText = "Update T_Users set EmpName=@EmpName,EmpSex=@EmpSex,EmpAddress=@EmpAddress where EmpID=@EmpID";
SqlParameter[] sp = new SqlParameter[4];
sp[0] = new SqlParameter("@EmpName",SqlDbType.NVarChar,20);
sp[1] = new SqlParameter("@EmpSex",SqlDbType.NVarChar,4 );
sp[2] = new SqlParameter("@EmpAddress",SqlDbType.NVarChar,50);
sp[3] = new SqlParameter("@EmpID",SqlDbType.Int);
sp[0].Value = ((TextBox)this.DataList1.Items[e.Item.ItemIndex].FindControl("TextBox1")).Text;
sp[1].Value = ((DropDownList)this.DataList1.Items[e.Item.ItemIndex].FindControl("DropDownList1")).SelectedItem.Text;
sp[2].Value = ((TextBox)this.DataList1.Items[e.Item.ItemIndex].FindControl("TextBox3")).Text;
sp[3].Value = this.DataList1.DataKeys[e.Item.ItemIndex].ToString();
cmd.Parameters.AddRange(sp);
if (con.State == ConnectionState.Closed)
{
con.Open();
}
cmd.ExecuteNonQuery();
this.DataList1.EditItemIndex = -1;
databind();
}