怎么在dataGridView上提示没检索到数据

Question

大家好：
    我想在 从数据库中读取数据时   如果没有检索到相关数据  怎样在dataGridView上 提示 没有检索到数据 呢？
                                     谢谢大家了！ 

Answer 1

http://blog.csdn.net/califord/archive/2006/03/03/614439.aspx   

Answer 2

判断一下有没数据,然后让GRIDVIEW不显示,一个DIV就显示暂无数据

Answer 3

datagridview
应该也有一个属性: empty显示的吧

Answer 4

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;namespace WindowsApplication259
{
    public partial class Form1 : Form
    {
        DataGridViewEx DGV = new DataGridViewEx();        public Form1()
        {
            InitializeComponent();            DGV.Columns.Add("c1", "c1");
            DGV.Parent = this;
            DGV.Dock = DockStyle.Fill;
            DGV.AllowUserToAddRows = false;            Button B = new Button();
            B.Parent = DGV;
            B.Text = "加载";
            B.Click += new EventHandler(B_Click);
        }        void B_Click(object sender, EventArgs e)
        {
            DGV.Rows.Add();
        }        class DataGridViewEx : DataGridView
        {
            protected override void OnPaint(PaintEventArgs e)
            {
                base.OnPaint(e);                if (this.RowCount == 0)
                {
                    String S = "没有检索到数据";
                    SizeF SF = e.Graphics.MeasureString(S, this.Font);                    e.Graphics.DrawString(S, this.Font, Brushes.Silver,
                    (this.ClientRectangle.Width - SF.Width) / 2, (this.ClientRectangle.Height - SF.Height) / 2);
                }
            }            protected override void OnResize(EventArgs e)
            {
                base.OnResize(e);
                this.Invalidate();
            }
        }
    }
}