public void bind()
{
//数据连接web.config中已配置的数据
SqlDataAdapter da = new SqlDataAdapter("select * from person", con);//使用数据适配器内置查询，自动开闭数据库
DataSet ds = new DataSet();//使用数据集，采取断开式访问数据
da.Fill(ds, "person");
GridView1.DataSource = ds;
GridView1.DataKeyNames=new string[]{"pid"};//设置主键
GridView1.DataBind();
//省略字符
#region
//for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
//{
// DataRowView mydrv;
// string gIntro;
// if (GridView1.PageIndex == 0)
// {
// mydrv = ds.Tables["person"].DefaultView[i];
// gIntro = Convert.ToString(mydrv["padress"]);
// GridView1.Rows[i].Cells[3].Text = SubStr(gIntro, 2);
// }
// else
// {
// mydrv = ds.Tables["person"].DefaultView[i + (5 * GridView1.PageIndex)];
// gIntro = Convert.ToString(mydrv["padress"]);
// GridView1.Rows[i].Cells[5].Text = SubStr(gIntro, 2);
// }
//}
#endregion
//隐藏列
//GridView1.Columns[3].Visible = false;//一开始隐藏
//CheckBox3.Checked = false;//如果不这样后面的代码会把他True
//突出显示某一单元格（工资起价少于10000）
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
DataRowView mydrv = ds.Tables["person"].DefaultView[i];
string price = Convert.ToString(mydrv["pprice"]);
if (Convert.ToDouble(price) < 10000)//大家这里根据具体情况设置可能ToInt32等等
{
GridView1.Rows[i].Cells[5].BackColor = System.Drawing.Color.Red;
}
}
}
运行结果：
GridView数据导入Excel/Excel数据读入GridView
小实例：
GridView.aspx
复制代码 代码如下:
<asp:GridView runat="server"
AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False"
onpageindexchanging="GridView1_PageIndexChanging"
onrowcancelingedit="GridView1_RowCancelingEdit"
onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing"
onrowupdating="GridView1_RowUpdating">
<Columns>
<asp:TemplateField HeaderText="身份证号" SortExpression="pid">
<ItemTemplate>
<asp:Label runat="server" Text='<%# Bind("pid") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<%-- <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" />--%>
<asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" />
<asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" />
<asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" />
<asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" />
<asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<EmptyDataRowStyle BackColor="Red" />
<HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/>
</asp:GridView>
GridView.aspx.cs
复制代码 代码如下:
//公有数据
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ConnectionString);
SqlCommand cmd;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind(); //正常绑定
}
}
/// <summary>
/// 主题：绑定数据，查询显示个人信息
/// 时间：2012年11月21日14:54:13
/// 描述：通过简单的方法绑定，实现数据显示
/// 作者：小伙
/// </summary>
public void bind()
{
//数据连接web.config中已配置的数据
SqlDataAdapter da = new SqlDataAdapter("select top 5 * from person", con);//使用数据适配器内置查询，自动开闭数据库
DataSet ds = new DataSet();//使用数据集，采取断开式访问数据
da.Fill(ds, "person");
GridView1.DataSource = ds;
GridView1.DataKeyNames=new string[]{"pid"};//设置主键
GridView1.DataBind();
}
//实现分页
protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
this.bind();
}
//删除
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from person where pid='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
con.Open();
cmd = new SqlCommand(sqlstr, con);
cmd.ExecuteNonQuery();
con.Close();
bind();
}
//取消编辑
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
//编辑
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
//更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string sqlstr = "update person set pname='"
+((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',psex='"
+((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim()+"',padress='"
+((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim()+"',pyoubiao='"
+((TextBox)(GridView1.Rows[e.RowIndex].Cells[4].Controls[0])).Text.ToString().Trim()+"',pprice='"
+((TextBox)(GridView1.Rows[e.RowIndex].Cells[5].Controls[0])).Text.ToString().Trim()+"' where pid='"
+GridView1.DataKeys[e.RowIndex].Value.ToString()+"'";
cmd = new SqlCommand(sqlstr, con);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
GridView1.EditIndex = -1;
bind();
}
运行结果：
导出结果：