gridview单元格编辑刷新问题
就是单击gridview的单元格进行编辑时，每单击一次单元格进行编辑时，页面都会刷新一次，怎样使单击单元格页面不再刷新
后台代码如下：
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.Drawing;
using System.Data.SqlClient;
public partial class Rdlcs_rp_nmjbqk : System.Web.UI.Page
{
Ref.DAL.T_refugee_total DAL_T_refugee_total = new Ref.DAL.T_refugee_total();
Ref.Model.T_refugee_total Mod_T_refugee_total = new Ref.Model.T_refugee_total();
public string Report_ID
{
get
{
if (ViewState["Report_ID"] != null)
{
return ViewState["Report_ID"].ToString();
}
else
{
ViewState.Add("Report_ID", "");
return ViewState["Report_ID"].ToString();
}
}
set
{
ViewState["Report_ID"] = value;
}
}
int _firstEditCellIndex = 2;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
InitPageInfo();
}
}
private void InitPageInfo()
{
if (Report_ID.ToString() == "")
{
}
else
{
Report_ID = Request.QueryString["id"].ToString();
DataSet ds = new DataSet();
string sql = "select * from T_refugee_total where Report_ID='" + Report_ID + "'";
ds = Ref.DAL.DbHelperSQL.Query(sql);
this.GridView1.DataSource = ds;
this.GridView1.DataBind();
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
LinkButton _singleClickButton = (LinkButton)e.Row.Cells[0].Controls[0];
string _jsSingle = ClientScript.GetPostBackClientHyperlink(
_singleClickButton, "");
for (int columnIndex = _firstEditCellIndex; columnIndex <
e.Row.Cells.Count; columnIndex++)
{
string js = _jsSingle.Insert(_jsSingle.Length - 2,
columnIndex.ToString());
e.Row.Cells[columnIndex].Attributes["onclick"] = js;
e.Row.Cells[columnIndex].Attributes["style"] +=
"cursor:pointer;cursor:hand;";
}
}
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
switch (e.CommandName)
{
case ("SingleClick"):
int _rowIndex = int.Parse(e.CommandArgument.ToString());
int _columnIndex = int.Parse(Request.Form["__EVENTARGUMENT"]);
this.GridView1.SelectedIndex = _rowIndex;
this.GridView1.DataBind();
Control _displayControl = this.GridView1.Rows[_rowIndex].Cells[_columnIndex].Controls[1];
_displayControl.Visible = false;
Control _editControl = this.GridView1.Rows[_rowIndex].Cells[_columnIndex].Controls[3];
_editControl.Visible = true;
this.GridView1.Rows[_rowIndex].Cells[_columnIndex].Attributes.Clear();
ClientScript.RegisterStartupScript(GetType(), "SetFocus",
"<script>document.getElementById('" + _editControl.ClientID + "').focus();</script>");
if (_editControl is DropDownList && _displayControl is Label)
{
((DropDownList)_editControl).SelectedValue = ((Label)_displayControl).Text;
}
if (_editControl is TextBox)
{
((TextBox)_editControl).Attributes.Add("onfocus", "this.select()");
}
break;
}
}
protected override void Render(HtmlTextWriter writer)
{
foreach (GridViewRow r in GridView1.Rows)
{
if (r.RowType == DataControlRowType.DataRow)
{
for (int columnIndex = _firstEditCellIndex; columnIndex < r.Cells.Count; columnIndex++)
{
Page.ClientScript.RegisterForEventValidation(r.UniqueID + "$ctl00", columnIndex.ToString());
}
}
}
base.Render(writer);
}
protected void btn_fh_Click(object sender, EventArgs e)
{
Response.Redirect("T_Report_Information.aspx");
}
protected void btn_save_Click(object sender, EventArgs e)
{
string sql1 = "Data Source=PC-201108100915;Initial Catalog=Refugee40;Persist Security Info=True;User ID=sa;Password=hx";
SqlConnection conn = new SqlConnection(sql1);
SqlCommand selectCMD = new SqlCommand("SELECT * FROM T_refugee_total where Report_ID='" + Report_ID + "'", conn);
DataTable dt = new DataTable();
SqlDataAdapter sda = new SqlDataAdapter(selectCMD);
sda.Fill(dt);
for (int i = 0; i <this.GridView1.Rows.Count; i++)
{
for (int j = 2; j < this.GridView1.Columns.Count; j++)
{
Control _displayControl = this.GridView1.Rows[i].Cells[j].Controls[1];
Control _editControl = this.GridView1.Rows[i].Cells[j].Controls[3];
if (_editControl.Visible)
{
dt.Rows[i][j+2] = Convert.ToInt32(((TextBox)this.GridView1.Rows[i].Cells[j].Controls[3]).Text.ToString());
}
}
}
SqlCommandBuilder scb = new SqlCommandBuilder(sda);
sda.Update(dt.GetChanges());
dt.AcceptChanges();
}
}
[解决办法]
JS+AJAX
