Un exemple complet de modification et de suppression de GridView contenant DropDownList sous ASP.NET2.0 !

Largeur = "542px" AllowPaging = "True" AllowSorting = "True"
DataKeyNames="DB31_1,DB31_2" OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating" OnPageIndexChanging="GridView1_PageIndexChanging" OnRowDataBound="GridView1_Row" DataBound" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" OnSorting="GridView1_Sorting" >



<%# this.GridView1.PageIndex * this.GridView1.PageSize + this.GridView1.Rows.Count + 1%>




<%--'>--%>
'>


'>




'>


'>





Text="更新">
Text="取消">


Text="编辑" OnClientClick="return confirm('确认要编辑吗？');">

Text="删除" OnClientClick="return confirm('确认要删除吗？');">
Text="选择">





///
/// Affichage de GridView
///
vide privé GridViewBind()
{
检索数据库
chaîne strSql = "SELECT * FROM DB1" ;
得到数据集
this.GridView1.DataSource=conn.GetDs(strSql).Tables[0].DefaultView;
this.GridView1.DataBind();

}
///
/// 编辑当前行
///
///
///
void protégé GridView1_RowEditing (expéditeur de l'objet, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex ;
//当前编辑行背景色高亮
this.GridView1.EditRowStyle.BackColor = Color.FromName("#F7CE90");
GridViewBind();
}
///
/// 取消编辑状态
///
///
///
protected void GridView1_RowCancelingEdit (expéditeur de l'objet, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1 ;
GridViewBind();
}
///
/// 删除记录过程
///
///
///
protected void GridView1_RowDeleting (expéditeur de l'objet, GridViewDeleteEventArgs e)
{
//得到单位编号
chaîne rowToDelete = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
//转换为整数
//int ID=Convert.ToInt32(rowToDelete);
//从数据库中删除
string str = "DELETE FROM DB1 où DB1_1=" + "'" + rowToDelete + "'" + "";

essayer
{
conn.RunSql(str);
//重新绑定数据
GridViewBind();
}
attraper (Exception ex)
{
Response.Write("数据库错误，错误原因：" + ex.Message);
Réponse.End();
}

}
///
/// 更新记录过程
///
///
///
protected void GridView1_RowUpdating (expéditeur de l'objet, GridViewUpdateEventArgs e)
{
ID de chaîne = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
chaîne DB1_1 = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox1").Text;
//string DB1_2 = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox2").Text;
chaîne DB1_2 = (((DropDownList))GridView1.Rows[e.RowIndex].FindControl("ddlXL").SelectedItem.Text;

//判断表单项是否有空并给出提示信息
si (DB1_1 == "" || DB1_2 == "")
{
conn.Alert("请输入完整信息！", Page);
retour;
}
essayer
{
conn.BuilderEdit("select * from DB1 où DB1_1 ='" + ID + "'");
conn.dr["DB1_1"] = DB1_1;
conn.dr["DB1_2"] = DB1_2;
conn.BuilderEditClose();
}
catch (erreur OracleException)
{
si (err.Code.ToString() == "1")
conn.Alert("错误：已存在具有相同主键的记录", Page);
autre
conn.Alert("错误：未能添加记录", Page);
}

Response.Write("");
//返回浏览状态
GridView1.EditIndex = -1 ;
GridViewBind();
}
///
/// 分页事件
///
///
///
protected void GridView1_PageIndexChanging (expéditeur de l'objet, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex ;
GridViewBind();
}
///
/// Liste déroulante de liste déroulante
///
///
///
void protégé GridView1_RowDataBound (expéditeur de l'objet, GridViewRowEventArgs e)
{
//DropDownList绑定值
if (((DropDownList)e.Row.FindControl("ddlXL")) != null)
{
DropDownList ddlXL = (DropDownList)e.Row.FindControl("ddlXL");
ddlXL.Items.Clear();
ddlXL.Items.Add(new ListItem("博士", "1"));
ddlXL.Items.Add(new ListItem("硕士", "2"));
ddlXL.Items.Add(new ListItem("学士", "3"));
}

//加入鼠标滑过的高亮效果
if (e.Row.RowType == DataControlRowType.DataRow)//判定当前的行是否属于datarow类型的行
{
//
e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='jaune',this.style.fontWeight='';");
//当鼠标离开的时候 将背景颜色还原的以前的颜色
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor,this.style.fontWeight='';");
}
//单击行改变行背景颜色
si (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onclick", "this.style.backgroundColor='#99cc00'; this.style.color='buttontext';this.style.cursor='default';");
}
}