GridView.RowDataBound
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 MyOffice.BLL;
using MyOffice.Models;
using System.Collections.Generic;
public partial class SystemManage_RoleManage_RoleManage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DisplayRoleInfo();
}
}
/*显示角色信息列表*/
protected void DisplayRoleInfo()
{
//指定列表数据源
gvRoleInfo.DataSource = RoleInfoManager.GetAllRoleInfo_Xu();
//给列表绑定主键字段（表RoleInfo => RoleId）
gvRoleInfo.DataKeyNames = new string[] { "RoleId"};
//数据绑定
gvRoleInfo.DataBind();
}
/*绑定时*/
protected void gvRoleInfo_RowDataBound(object sender, GridViewRowEventArgs e)
{
//数据行
if (e.Row.RowType == DataControlRowType.DataRow)
{
//得到当前行的主键（角色Id）
string roleId = gvRoleInfo.DataKeys[e.Row.RowIndex].Value.ToString();
/***找到当前行的“删除按钮”***/
ImageButton imgBtnDelete = e.Row.FindControl("imgBtnDelete") as ImageButton;
//指定按钮命令名
imgBtnDelete.CommandName = "DeleteRole";
//指定按钮关联参数
imgBtnDelete.CommandArgument = roleId;
//指定按钮特性
imgBtnDelete.Attributes.Add("onclick", "return confirm('确定要删除吗？')");
/***找到当前行的“修改按钮”***/
ImageButton imgBtnEdit = e.Row.FindControl("imgBtnEdit") as ImageButton;
//指定按钮命令名
imgBtnEdit.CommandName = "EditRole";
//指定按钮关联的参数
imgBtnEdit.CommandArgument = roleId;
/***找到当前行的“分配权限”链接***/
HyperLink hlDistribute = e.Row.FindControl("hlDistribute") as HyperLink;
//指定连接字体颜色
hlDistribute.ControlStyle.ForeColor = System.Drawing.Color.Blue;
//指定连接URL地址
hlDistribute.NavigateUrl = "~/SystemManage/RoleManage/DistributeRole.aspx?roleId="+roleId;
}
}
/*执行时*/
protected void gvRoleInfo_RowCommand(object sender, GridViewCommandEventArgs e)
{
//如果是删除按钮
if (e.CommandName == "DeleteRole")
{
int roleId = Convert.ToInt32(e.CommandArgument);
RoleInfoManager.DeleteRoleInfoByRoleId_Xu(roleId);
DisplayRoleInfo();
//两个文本框清空
txtRoleName.Text = "";
txtRoleDesc.Text = "";
//添加按钮可用、保存修改不可用
btnAdd.Enabled = true;
btnSave.Enabled = false;
}
//如果是修改按钮
if (e.CommandName == "EditRole")
{
int roleId = Convert.ToInt32(e.CommandArgument);
//找到该角色对象
RoleInfo roleInfo = RoleInfoManager.GetRoleInfoById_Xu(roleId);
//将信息显示到两个文本框上、RoleId放到
hfRoleId.Value = roleInfo.RoleId.ToString();
txtRoleName.Text = roleInfo.RoleName;
txtRoleDesc.Text = roleInfo.RoleDesc;
//添加按钮不可用、保存修改可用
btnAdd.Enabled = false;
btnSave.Enabled = true;
}
}
/*添加一个角色信息*/
protected void btnAdd_Click(object sender, EventArgs e)
{
//得到用户输入
string roleName = txtRoleName.Text.ToString();
string roleDesc = txtRoleDesc.Text.ToString();
bool result = RoleInfoManager.CreateRoleInfo_Xu(roleName, roleDesc);
//判断成功与否
if (result)
{
//添加成功
txtRoleName.Text = "";
txtRoleDesc.Text = "";
DisplayRoleInfo();
}
else
{
//提示用户已有角色名称
Response.Write("<script>alert('该角色名称已经存在')</script>");
}
}
/*保存修改*/
protected void btnSave_Click(object sender, EventArgs e)
{
//得到用户的输入
int roleId = Convert.ToInt32(hfRoleId.Value);
string roleName = Convert.ToString(txtRoleName.Text);
string roleDesc = Convert.ToString(txtRoleDesc.Text);
//执行修改
bool result = RoleInfoManager.ModifyRoleInfoByRoleId_Xu(roleId, roleName, roleDesc);
//如果成功
if (result)
{
Response.Write("<script>alert('修改成功')</script>");
//两个文本框清空
txtRoleName.Text = "";
txtRoleDesc.Text = "";
//添加按钮可用、保存修改不可用
btnAdd.Enabled = true;
btnSave.Enabled = false;
DisplayRoleInfo();
}
else
{
Response.Write("<script>alert('该角色名称已经存在')</script>");
}
}
}