1. html代码<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %> <!DOCTYPE html PUBLIC &qu
1. html代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>DatagridTest</title>
<script language = "javascript">
function fun_option(obj)
{
document.Form1.hiduserid.value = obj.value;
}
function chkAll_true()
{
var chkall = document.all["chkAll"];
var chkother = document.all["chkExport"];
if (chkother.length > 0)
{
for (var i = 0; i < chkother.length; i++)
{
if (chkall.checked == true)
{
chkother[i].checked = true;
}
else
{
chkother[i].checked = false;
}
}
}
}
function Delete()
{
debugger;
var chkother = document.all["chkExport"];
var temp = "";
if (chkother.length > 0)
{
for (var i = 0; i < chkother.length; i++)
{
if (chkother[i].checked = true)
{
temp += "," + chkother[i].value;
}
}
temp = temp.subget='_blank'>string(1, temp.length);
}
if (temp == "")
{
alert('You need to select a row in the list before selecting
Delete.\r\nPlease select a row and try again.');
}
else if (window.confirm("Are you sure to delete all these?"))
{
document.Form1.hiduserid.value = temp;
var deleteID = '<%=btndelete.ClientID%>';
window.document.all(deleteID).click();
}
event.cancelBubble = true;
}
</script>
</head>
<body>
<form id="Form1" method="post" runat="server">
<table id="Table1" height="100%" cellspacing="1" cellpadding="1" width="100%" border="1">
<tr height="30">
<td>
<input id="chkAll" onclick="chkAll_true()" type="checkbox">??/?</td>
<td>
<asp:Button ID="btndelete" runat="server" Text="?"></asp:Button></td>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr valign="top">
<td width="100%" colspan="5">
<asp:DataGrid ID="DataGrid1" runat="server" OnEditCommand="Edit" OnCancelCommand="Cancel"
OnUpdateCommand="Update" DataKeyField="UserID" AutoGenerateColumns="False" AllowSorting="True"
BorderColor="Tan" BorderWidth="1px" BackColor="LightGoldenrodYellow" CellPadding="2"
GridLines="None" ForeColor="Black" OnDeleteCommand="Delete" AllowPaging="True">
<FooterStyle BackColor="Tan"></FooterStyle>
<SelectedItemStyle ForeColor="GhostWhite" BackColor="DarkSlateBlue"></SelectedItemStyle>
<AlternatingItemStyle BackColor="PaleGoldenrod"></AlternatingItemStyle>
<HeaderStyle Font-Bold="True" BackColor="Tan"></HeaderStyle>
<Columns>
<asp:TemplateColumn HeaderText="">
<ItemTemplate>
<input id="radio" onclick="fun_option(this)" type="radio" value='<%# DataBinder.Eval(Container.DataItem,"UserID") %>'
name="radio">
</ItemTemplate>
<FooterTemplate>
</FooterTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="">
<FooterTemplate>
</FooterTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<ItemTemplate>
<input id="chkExport" type="checkbox" value='<%# DataBinder.Eval(Container.DataItem,"UserID") %>'>
</ItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn Visible="False" DataField="UserID" SortExpression="UserID" ReadOnly="True"
HeaderText="UserID"></asp:BoundColumn>
<asp:TemplateColumn SortExpression="UserName" HeaderText="">
<ItemTemplate>
<a href="http://singlepine.cnblogs.com/articles/266538.html" target="_blank">
<%# DataBinder.Eval(Container.DataItem,"UserName") %>
</a>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="UserName" Text='<%# DataBinder.Eval(Container.DataItem,"UserName") %>'
Width="88px" runat="server">
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="province" HeaderText="?">
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem,"province") %>
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="province" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlpovince_SelectedIndexChanged">
</asp:DropDownList>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="city" HeaderText="">
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem,"city") %>
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="city" runat="server"></asp:DropDownList>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="Enabled" HeaderText="?">
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem,"Enabled") %>
</ItemTemplate>
<EditItemTemplate>
<asp:CheckBox ID="chkenabled" runat="server" Checked='<%# DataBinder.Eval(Container.DataItem,"Enabled") %>'>
</asp:CheckBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:EditCommandColumn ButtonType="PushButton" UpdateText="" HeaderText="?" CancelText="?"
EditText="?"></asp:EditCommandColumn>
<asp:ButtonColumn Text="?" ButtonType="PushButton" HeaderText="?" CommandName="Delete">
</asp:ButtonColumn>
</Columns>
<PagerStyle NextPageText="??" PrevPageText="??" HorizontalAlign="Right" ForeColor="DarkSlateBlue"
BackColor="PaleGoldenrod"></PagerStyle>
</asp:DataGrid></td>
</tr>
<tr height="30">
<td>
</td>
</tr>
</table>
<input id="hiduserid" type="hidden" runat="server">
</form>
</body>
</html>
2. cs代码
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public class DatagridTest : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;
protected System.Web.UI.HtmlControls.HtmlInputHidden hiduserid;
protected System.Web.UI.WebControls.Button btndelete;
private string constring = "";
//目前功能：排序、单选项、复选项、合并单元格、产生序列号、联动下拉框、分页、删除、超连接、鼠标移动改变颜色、奇偶项颜**分
private void Page_Load(object sender, System.EventArgs e)
{
if (!Page.IsPostBack)
{
btndelete.Attributes.Add("onclick", "Delete();");
SortExpression = "";
sort = "desc";
DataBind();
}
}
#region DataBind
private void DataBind()
{
string sql = "select a.UserID,a.UserName,b.province,c.city,a.Enabled,b.provinceID,c.cityID from testgrid a ";
sql += " left join povince b on a.Country=b.provinceID";
sql += " left join city c on a.State=c.cityID";
DataSet ds = GetDataSet(sql);
dt = ds.Tables[0];
this.DataGrid1.DataSource = dt;
this.DataGrid1.DataBind();
}
#endregion
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
this.DataGrid1.ItemDataBound += new DataGridItemEventHandler(DataGrid1_ItemDataBound);
this.DataGrid1.SortCommand += new DataGridSortCommandEventHandler(DataGrid1_SortCommand);
this.DataGrid1.ItemCreated += new DataGridItemEventHandler(DataGrid1_ItemCreated);
this.btndelete.Click += new System.EventHandler(this.btndelete_Click);
this.DataGrid1.PageIndexChanged += new DataGridPageChangedEventHandler(DataGrid1_PageIndexChanged);
}
///<summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///</summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
// GetDataSet
#region DataGrid1_ItemDataBound
private void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
e.Item.Attributes.Add("ondblclick", "alert('" + e.Item.Cells[0].Text + "');");
}
if (e.Item.ItemType != ListItemType.Header)
{
if (e.Item.ItemIndex % 2 == 0)
{
e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor='PaleGoldenrod'");
}
else
{
e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor='LightGoldenrodYellow'");
}
e.Item.Attributes.Add("onmouseover", "this.style.backgroundColor='#C1D2EE'");
e.Item.Cells[1].Text = Convert.ToString(e.Item.ItemIndex + 1);//产生序号
}
if (e.Item.ItemType == ListItemType.Header)
{
e.Item.Cells[0].ColumnSpan = 2;//合并单元格
e.Item.Cells[1].Visible = false;
}
string sqlpovince = "select * from povince";
DataSet dspovince = GetDataSet(sqlpovince);
if (e.Item.ItemType == ListItemType.EditItem)
{
DropDownList ddlpovince = (DropDownList)e.Item.FindControl("province");
ddlpovince.DataSource = dspovince;
ddlpovince.DataTextField = "province";
ddlpovince.DataValueField = "provinceID";
ddlpovince.DataBind();
ddlpovince.Items.FindByValue(Convert.ToString(DataBinder.Eval(e.Item.DataItem, "provinceID"))).Selected = true;
if (e.Item.ItemType == ListItemType.EditItem)
{
if (ddlpovince.SelectedIndex != -1)
{
string sqlcity = "select * from city where father='" + ddlpovince.SelectedValue + "'";
DropDownList ddlcity = (DropDownList)e.Item.FindControl("city");
DataSet dscity = GetDataSet(sqlcity);
ddlcity.DataSource = dscity;
ddlcity.DataTextField = "city";
ddlcity.DataValueField = "cityID";
ddlcity.DataBind();
ddlcity.Items.FindByValue(Convert.ToString(DataBinder.Eval(e.Item.DataItem, "cityID"))).Selected = true;
}
}
}
}
#endregion
#region DataGrid1_SortCommand
private void DataGrid1_SortCommand(object source, DataGridSortCommandEventArgs e)
{
if (SortExpression == e.SortExpression.ToString())
{
if (sort == "asc")
{
sort = "desc";
}
else
{
sort = "asc";
}
}
else
{
if (sort == "asc")
{
sort = "desc";
}
else
{
sort = "asc";
}
}
SortExpression = e.SortExpression;
dt.DefaultView.Sort = e.SortExpression + " " + sort;
DataGrid1.DataSource = dt;
DataGrid1.DataBind();
}
#endregion
#region DataGrid1_ItemCreated
private void DataGrid1_ItemCreated(object sender, DataGridItemEventArgs e)
{
for (int i = 3; i < DataGrid1.Columns.Count - 2; i++)//-2的意思是两个button列不用排序
{
if (i == 0) continue;
if (e.Item.ItemIndex == -1)
{
if (DataGrid1.Columns[i].SortExpression == SortExpression)
{
TableCell tableCell = e.Item.Cells[i];
Label label = new Label();
label.Font.Name = "webdings";
if (sort == "asc")
{
label.Text = "6";
}
else
{
label.Text = "5";
}
label.Width = 20;
tableCell.Controls.Add(label);
}
}
}
foreach (DataGridItem di in this.DataGrid1.Items)
{
if (di.ItemType == ListItemType.Item || di.ItemType == ListItemType.AlternatingItem)
{
((Button)di.Cells[9].Controls[0]).Attributes.Add("onclick", "return confirm('确认删除此项吗?');");
}
}
}
#endregion
#region property
private DataTable dt
{
get
{
if (ViewState["dt"] != null)
{
return (DataTable)ViewState["dt"];
}
else
{
return null;
}
}
set
{
ViewState["dt"] = value;
}
}
private string SortExpression
{
get
{
if (ViewState["SortExpression"] != null && ViewState["SortExpression"].ToString() != string.Empty)
{
return ViewState["SortExpression"].ToString();
}
else
{
return "";
}
}
set
{
ViewState["SortExpression"] = value;
}
}
private string sort
{
get
{
if (ViewState["sort"] != null && ViewState["sort"].ToString() != string.Empty)
{
return ViewState["sort"].ToString();
}
else
{
return "";
}
}
set
{
ViewState["sort"] = value;
}
}
#endregion
#region Edit
protected void Edit(object sender, DataGridCommandEventArgs e)
{
this.DataGrid1.EditItemIndex = e.Item.ItemIndex;
DataBind();
}
#endregion
#region Cancel
protected void Cancel(object sender, DataGridCommandEventArgs e)
{
this.DataGrid1.EditItemIndex = -1;
DataBind();
}
#endregion
#region Update
protected void Update(object sender, DataGridCommandEventArgs e)
{
if (e.Item.ItemType == ListItemType.EditItem)
{
SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]);
SqlCommand comm = new SqlCommand("update testgrid set UserName=@UserName,Country=@province,State=@city,Enabled=@Enabled where UserID=@UserID", conn);
SqlParameter parm1 = new SqlParameter("@UserName", SqlDbType.NVarChar, 50);
parm1.Value = ((TextBox)e.Item.FindControl("UserName")).Text;
SqlParameter parm2 = new SqlParameter("@province", SqlDbType.NVarChar, 50);
parm2.Value = ((DropDownList)e.Item.FindControl("province")).SelectedValue;
SqlParameter parm3 = new SqlParameter("@city", SqlDbType.NVarChar, 50);
parm3.Value = ((DropDownList)e.Item.FindControl("city")).SelectedValue;
SqlParameter parm4 = new SqlParameter("@Enabled", SqlDbType.Bit);
parm4.Value = ((CheckBox)e.Item.FindControl("chkenabled")).Checked;
SqlParameter parm5 = new SqlParameter("@UserID", SqlDbType.Int);
parm5.Value = this.DataGrid1.DataKeys[e.Item.ItemIndex];
comm.Parameters.Add(parm1);
comm.Parameters.Add(parm2);
comm.Parameters.Add(parm3);
comm.Parameters.Add(parm4);
comm.Parameters.Add(parm5);
conn.Open();
comm.ExecuteNonQuery();
conn.Close();
this.DataGrid1.EditItemIndex = -1;
DataBind();
}
}
#endregion
#region Delete event
protected void Delete(object sender, DataGridCommandEventArgs e)
{
delete(this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString());
}
#endregion
#region ddlpovince_SelectedIndexChanged
public void ddlpovince_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList ddlpovince = sender as DropDownList;
if (ddlpovince.SelectedIndex != -1)
{
DropDownList ddlcity = ((Control)(((Control)sender)).Parent).FindControl("city") as DropDownList;
string sqlcity = "select * from city where father='" + ddlpovince.SelectedValue + "'";
DataSet dscity = GetDataSet(sqlcity);
ddlcity.DataSource = dscity;
ddlcity.DataTextField = "city";
ddlcity.DataValueField = "cityID";
ddlcity.DataBind();
}
}
#endregion
#region btndelete_Click
private void btndelete_Click(object sender, System.EventArgs e)
{
string[] delid = this.hiduserid.Value.Split(',');
for (int m = 0; m < delid.Length; m++)
{
delete(delid[m]);
}
}
#endregion
#region delete
private void delete(string id)
{
SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]);
SqlCommand comm = new SqlCommand("delete from testgrid where UserID=@UserID", conn);
SqlParameter parm1 = new SqlParameter("@UserID", SqlDbType.Int);
parm1.Value = Convert.ToInt32(id);
comm.Parameters.Add(parm1);
conn.Open();
comm.ExecuteNonQuery();
conn.Close();
DataBind();
}
#endregion
#region DataGrid1_PageIndexChanged
private void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
{
this.DataGrid1.CurrentPageIndex = e.NewPageIndex;
DataBind();
}
#endregion
}
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原标题：功能齐全的DataGrid
关键词：DataGrid
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