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gridview 实现在GridView内部进行单行编辑

2008-04-07 15:02 399 查看

对于经常变更的字段我们利用这个效果进行数据更新。有点类似excel的效果。只是一个简单的应用，根据需要可以扩展。
HTML;

</head>

<body>

<div>

<asp:GridView ID="gvshow" runat="server" AutoGenerateColumns ="False"

CellPadding="4" ForeColor="#333333" GridLines="None" HorizontalAlign="Center"

Width="548px"

onrowediting="gvshow_RowEditing" onrowcommand="gvshow_RowCommand"

onrowcreated="gvshow_RowCreated" >

<asp:BoundField DataField ="gwid" HeaderText ="GWID" />

<asp:TemplateField HeaderText="MachType">

<asp:TextBox ID="txtmachType" runat ="server" Text='<%#Eval("machtype") %>' Enabled ="false" ></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText ="ISOK" >

<asp:TextBox ID="txtisok" runat ="server" Text='<%#Eval("isok") %>' Enabled ="false"></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField >

<asp:LinkButton ID="btnEdit" runat="server" Text="Edit" CommandName ="Edit" ></asp:LinkButton>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField >

<asp:Button ID="btnSave" runat="server" Text=" Save " CommandName ="Save" />

</ItemTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

</div>

</form>

</body>

</html>

CS:

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.Data.SqlClient;

public partial class ModifyText : System.Web.UI.Page

...{

protected void Page_Load(object sender, EventArgs e)

...{

if (!IsPostBack)

...{

SetBind();

}

public void SetBind()

...{

string connstr = ConfigurationManager.ConnectionStrings["ConnStr"].ToString();

using (SqlConnection conn = new SqlConnection(connstr))

...{

conn.Open();

string sql = "select * from allinfor";

SqlDataAdapter ada = new SqlDataAdapter(sql, conn);

DataSet ds = new DataSet();

ada.Fill(ds);

gvshow.DataSource = ds.Tables[0];

gvshow.DataBind();

}

protected void gvshow_RowEditing(object sender, GridViewEditEventArgs e)

...{

int i = e.NewEditIndex;

(gvshow.Rows[i].FindControl("txtmachType") as TextBox).Enabled = true; //激活要编辑的TextBox

}

protected void gvshow_RowCommand(object sender, GridViewCommandEventArgs e)

...{

if (e.CommandName == "Save") //保存更新数据

...{

int index = Convert.ToInt32(e.CommandArgument);

string sNewMachtype = (gvshow.Rows[index].FindControl("txtmachType") as TextBox).Text;

string sGwid = gvshow.Rows[index].Cells[0].Text.ToString();

string sql = "update allinfor set machtype='"+sNewMachtype+"' where gwid='"+sGwid+"'";

string connstr = ConfigurationManager.ConnectionStrings["ConnStr"].ToString();

using (SqlConnection conn = new SqlConnection(connstr))

...{

conn.Open();

SqlCommand cmd = new SqlCommand(sql,conn);

cmd.ExecuteNonQuery();

SetBind();

}

protected void gvshow_RowCreated(object sender, GridViewRowEventArgs e)

...{

//为btnsave 赋予rowindex

if (e.Row.RowType == DataControlRowType.DataRow)

...{

Button btn = (Button)e.Row.Cells[4].FindControl("btnSave");

btn.CommandArgument = e.Row.RowIndex.ToString();

}

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