GridView无代码分页排序
GridView选中，编辑，取消，删除
GridView正反双向排序
GridView和下拉菜单DropDownList结合
GridView和CheckBox结合
鼠标移到GridView某一行时改变该行的背景色方法一
鼠标移到GridView某一行时改变该行的背景色方法二
GridView实现删除时弹出确认对话框
GridView实现自动编号
GridView实现自定义时间货币等字符串格式
GridView实现用“…”代替超长字符串
GridView一般换行与强制换行
GridView显示隐藏某一列
GridView弹出新页面/弹出新窗口
GridView固定表头(不用javascript只用CSS，2行代码，很好用)
GridView合并表头多重表头无错完美版（以合并3列3行举例）
GridView突出显示某一单元格（例如金额低于多少，分数不及格等）
GridView加入自动求和求平均值小计
GridView数据导入Excel/Excel数据读入GridView
1.GridView无代码分页排序：
效果图：
1.AllowSorting设为True，aspx代码中是AllowSorting=”True”；
2.默认1页10条，如果要修改每页条数，修改PageSize即可，在aspx代码中是PageSize=”12″。
3.默认的是单向排序的，右击GridView弹出“属性”，选择AllowSorting为True即可。
2.GridView选中，编辑，取消，删除：
效果图：
后台代码：
你可以使用sqlhelper,本文没用。代码如下：
using System;
using System.Data;
using System.Configuration;
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;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
//清清月儿http://blog.csdn.net/21aspnet
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon=”Data Source=(local);Database=数据库名;Uid=帐号;Pwd=密码”;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex=e.NewEditIndex;
bind();
}
//删除
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr=”delete from 表 where id='” + GridView1.DataKeys[e.RowIndex].Value.ToString() + “‘”;
sqlcon=new SqlConnection(strCon);
sqlcom=new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
bind();
}
//更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon=new SqlConnection(strCon);
string sqlstr=”update 表 set 字段1='”
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + “‘,字段2='”
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + “‘,字段3='”
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + “‘ where id='”
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + “‘”;
sqlcom=new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex=-1;
bind();
}
//取消
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex=-1;
bind();
}
//绑定
public void bind()
{
string sqlstr=”select * from 表”;
sqlcon=new SqlConnection(strCon);
SqlDataAdapter myda=new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds=new DataSet();
sqlcon.Open();
myda.Fill(myds, “表”);
GridView1.DataSource=myds;
GridView1.DataKeyNames=new string[] { “id” };//主键
GridView1.DataBind();
sqlcon.Close();
}
}
前台主要代码：
… …
ForeColor=”#333333″ GridLines=”None” OnRowDeleting=”GridView1_RowDeleting” OnRowEditing=”GridView1_RowEditing”
OnRowUpdating=”GridView1_RowUpdating” OnRowCancelingEdit=”GridView1_RowCancelingEdit”>
3.GridView正反双向排序：
效果图：点姓名各2次的排序，点其他也一样可以。
后台代码：
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;
using System.Data.SqlClient;
public partial class Default3 : System.Web.UI.Page
{
//清清月儿的博客http://blog.csdn.net/21aspnet
SqlConnection sqlcon;
string strCon=”Data Source=(local);Database=北风贸易;Uid=sa;Pwd=”;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ViewState[“SortOrder”]=”身份证号码”;
ViewState[“OrderDire”]=”ASC”;
bind();
}
}
protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
{
string sPage=e.SortExpression;
if (ViewState[“SortOrder”].ToString()==sPage)
{
if (ViewState[“OrderDire”].ToString()==”Desc”)
ViewState[“OrderDire”]=”ASC”;
else
ViewState[“OrderDire”]=”Desc”;
}
else
{
ViewState[“SortOrder”]=e.SortExpression;
}
bind();
}
public void bind()
{
string sqlstr=”select top 5 * from 飞狐工作室”;
sqlcon=new SqlConnection(strCon);
SqlDataAdapter myda=new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds=new DataSet();
sqlcon.Open();
myda.Fill(myds, “飞狐工作室”);
DataView view=myds.Tables[“飞狐工作室”].DefaultView;
string sort=(string)ViewState[“SortOrder”] + ” ” + (string)ViewState[“OrderDire”];
view.Sort=sort;
GridView1.DataSource=view;
GridView1.DataBind();
sqlcon.Close();
}
}
前台主要代码：
CellPadding=”3″ Font-Size=”9pt” OnSorting=”GridView1_Sorting” BackColor=”White” BorderColor=”#CCCCCC” BorderStyle=”None” BorderWidth=”1px”>
</asp:GridView>
4.GridView和下拉菜单DropDownList结合：
效果图：
后台代码：
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;
using System.Data.SqlClient;
public partial class Default4 : System.Web.UI.Page
{
SqlConnection sqlcon;
string strCon=”Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa”;
protected void Page_Load(object sender, EventArgs e)
{
DropDownList ddl;
if (!IsPostBack)
{
string sqlstr=”select top 5 * from 飞狐工作室”;
sqlcon=new SqlConnection(strCon);
SqlDataAdapter myda=new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds=new DataSet();
sqlcon.Open();
myda.Fill(myds, “飞狐工作室”);
GridView1.DataSource=myds;
GridView1.DataBind();
for (int i=0; i <=GridView1.Rows.Count – 1; i++)
{
DataRowView mydrv=myds.Tables[“飞狐工作室”].DefaultView[i];
if (Convert.ToString(mydrv[“员工性别”]).Trim()==”True”)
{
ddl=(DropDownList)GridView1.Rows[i].FindControl(“DropDownList1”);
ddl.SelectedIndex=0;
}
if (Convert.ToString(mydrv[“员工性别”]).Trim()==”False”)
{
ddl=(DropDownList)GridView1.Rows[i].FindControl(“DropDownList1”);
ddl.SelectedIndex=1;
}
}
sqlcon.Close();
}
}
public SqlDataReader ddlbind()
{
string sqlstr=”select distinct 员工性别 from 飞狐工作室”;
sqlcon=new SqlConnection(strCon);
SqlCommand sqlcom=new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
return sqlcom.ExecuteReader();
}
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