虽然标题是原创，但是其实主要的思想呢还是接见了晓风残月的思路，今天在晓风残月的博客上看到了如何利用GridView来实现双击进行编辑。我决定动手实现一下，由于还没有实现双击进行更改操作，所以顺便就把这个功能加了上去，希望对大家能有帮助，同时也谢谢晓风残月。

效果图如下：

 

                 
                  
                      
                       
                           
        
                                 <%...# Eval("customerid")%>                    
                            
                                
                             
                        
                       
                           
        
                                 <%...# Eval("CompanyName")%>                    
                            
                                
                             
                        
                       
                           
        
                                 <%...# Eval("ContactName")%>                    
                            
                                 
                             
                        
                       
                           
        
                                 <%...# Eval("Address")%>                    
                            
                                
                             
                        
                   
                  
                  
                  
                  
              
                 

　　

string ConStr = ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString;    protected void Page_Load(object sender, EventArgs e)    ...{        if (!IsPostBack)        ...{            BindData();        }    }    private void BindData()    ...{        SqlConnection MyCon = new SqlConnection(ConStr);        string QueryStr = "SELECT customerid,CompanyName,ContactName,Address FROM customers";        SqlDataAdapter Da = new SqlDataAdapter(QueryStr, MyCon);        DataSet Ds = new DataSet();        Da.Fill(Ds, "Customers");        GridView1.DataSource = Ds.Tables[0];        GridView1.DataKeyNames = new string[] ...{ "customerid" };        GridView1.DataBind();    }    protected override void Render(HtmlTextWriter writer)    ...{        foreach (GridViewRow Row in GridView1.Rows)        ...{            if (Row.RowType == DataControlRowType.DataRow)            ...{                //双击进入编辑模式                Row.Attributes["ondblclick"] = ClientScript.GetPostBackEventReference(GridView1, "Edit$" + Row.RowIndex.ToString(), true);                Row.Attributes["style"] = "cursor:pointer";                Row.Attributes["title"] = "双击进入编辑";                if (Row.RowState == DataControlRowState.Edit)                ...{                    Row.Attributes.Remove("ondblclick");                    Row.Attributes.Remove("style");                    Row.Attributes["title"] = "编辑行";                    for (Int32 i = 1; i < GridView1.Columns.Count; i++)                    ...{                        ((TextBox)Row.Cells[i].Controls[1]).Attributes.Add("onmouseover", "this.select()");                    }                    //双击更新                    Row.Attributes["ondblclick"] = ClientScript.GetPostBackEventReference(GridView1, "Update$" + Row.RowIndex.ToString(), true);                }                //                for (int i = 1; i < Row.Cells.Count; i++)                ...{                    Page.ClientScript.RegisterForEventValidation(Row.UniqueID + "$ctl00", i.ToString());                }            }        }        base.Render(writer);    }    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)    ...{        GridView1.EditIndex = e.NewEditIndex;        BindData();    }    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)    ...{        string ID = GridView1.DataKeys[e.RowIndex].Value.ToString();        //防止非法的输入，预防脚本攻击        string CustomerId = Server.HtmlDecode(((TextBox)GridView1.Rows[e.RowIndex].Cells[1].Controls[1]).Text.ToString());        string CompanyName = Server.HtmlDecode(((TextBox)GridView1.Rows[e.RowIndex].Cells[2].Controls[1]).Text.ToString());        string ContactName = Server.HtmlDecode(((TextBox)GridView1.Rows[e.RowIndex].Cells[3].Controls[1]).Text.ToString());        string Address = Server.HtmlDecode(((TextBox)GridView1.Rows[e.RowIndex].Cells[4].Controls[1]).Text.ToString());        SqlConnection Con = new SqlConnection(ConStr);        string UpdateStr = "UPDATE customers SET companyname=@CompanyName,contactname=@ContactName,address=@Address  WHERE customerid=@ID";        //插入数据的时候用参数来可以预防SQL注入攻击，提高系统的安全性        SqlCommand UpdateCmd = new SqlCommand(UpdateStr,Con);        SqlParameter ParmID = new SqlParameter("@ID", SqlDbType.NVarChar,20);        ParmID.Value = ID;        SqlParameter ParmCName = new SqlParameter("@CompanyName", SqlDbType.NVarChar, 20);        ParmCName.Value = CompanyName;        SqlParameter ParmName = new SqlParameter("@ContactName",SqlDbType.NVarChar,20);        ParmName.Value = ContactName;        SqlParameter ParmAddr = new SqlParameter("@Address",SqlDbType.NVarChar,20);        ParmAddr.Value = Address;        try        ...{            UpdateCmd.Parameters.Add(ParmCName);            UpdateCmd.Parameters.Add(ParmName);            UpdateCmd.Parameters.Add(ParmAddr);            UpdateCmd.Parameters.Add(ParmID);            Con.Open();            UpdateCmd.ExecuteNonQuery();            Con.Close();        }        catch        ...{            ShowMessage("输入格式不正确，请检查");        }        finally        ...{            Con.Close();            GridView1.EditIndex = -1;            BindData();        }    }    private void ShowMessage(string Message)    ...{        Literal TxtMsg = new Literal();        TxtMsg.Text = "";        Page.Controls.Add(TxtMsg);    }    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)    ...{    }    protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)    ...{        GridView ControlGridView = (GridView)sender;        if (e.CommandName == "SingleClick")        ...{            int RowIndex = int.Parse(e.CommandArgument.ToString());            int ColIndex = int.Parse(Request.Form["__EVENTARGUMENT"]);            Response.Write("");        }    }}

　　http://www.hello-code.com/blog/asp.net/201311/2223.html