Form2
public delegate void mydelegate();
public static event mydelegate myevent;
private void button1_Click(object sender, EventArgs e)
{
if (myevent != null)
{
myevent();
} }
private void button2_Click(object sender, EventArgs e)
{
Form2 fm2 = new Form2();
Form2.myevent += new Form2.mydelegate(fm2_myevent);
fm2.Show();
}
private void Form1_Load(object sender, EventArgs e)
{
}
void fm2_myevent()
{
Form1_Load(null,null);
}
或
if(SubForm().ShowDialog()==DialogResult.Ok)
{
//调用数据绑定代码。
}
public delegate void mydelegate();
public static event mydelegate myevent;
private void button1_Click(object sender, EventArgs e)
{
if (myevent != null)
{
myevent();
} }
private void button2_Click(object sender, EventArgs e)
{
Form2 fm2 = new Form2();
Form2.myevent += new Form2.mydelegate(fm2_myevent);
fm2.Show();
}
private void Form1_Load(object sender, EventArgs e)
{
}
void fm2_myevent()
{
Form1_Load(null,null);
}
或
if(SubForm().ShowDialog()==DialogResult.Ok)
{
//调用数据绑定代码。
}
public delegate void mydelegate();
public static event mydelegate myevent;
private void button1_Click(object sender, EventArgs e)
{
if (myevent != null)
{
myevent();
} }
private void button2_Click(object sender, EventArgs e)
{
Form2 fm2 = new Form2();
Form2.myevent += new Form2.mydelegate(fm2_myevent);
fm2.Show();
}
private void Form1_Load(object sender, EventArgs e)
{
}
void fm2_myevent()
{
Form1_Load(null,null);
}
或
if(SubForm.ShowDialog()==DialogResult.Ok)
{
//调用数据绑定代码。
}
二:http://topic.csdn.net/u/20101020/23/45b9dd05-86c0-46d2-b624-06f4a2204ab5.html重新刷新窗口。前提是加载Form1的时候绑定数据了。
有个方法:
你可以在窗体的 Activated 事件里面实现数据的更新,这样只要你对数据库做了修改(添加、删除、更新)dataGridView里的数据就会更新。
例:
//Activated 事件里调用FilldataGridView()函数实现更新
private void 窗体_Activated(object sender, EventArgs e)
{
FilldataGridView();
}
//具体实现
private void FilldataGridView()
{
string strcd = "select * from 【表名】";
OleDbConnection mycon = new OleDbConnection(strconnet);
OleDbCommand mycom = new OleDbCommand(strcd);
mycom.Connection = mycon;
if (mycon.State == ConnectionState.Closed)
{
mycon.Open();
}
OleDbDataAdapter objdataAdapter = new OleDbDataAdapter(mycom);
DataSet mydataset = new DataSet();
objdataAdapter.Fill(mydataset, “【表名】”);
dataGridView1.DataSource = mydataset.Tables["【表名】"];
}
第一个:利用事件委托,将添加记录事件 与 form1 DGV显示事件绑定 第二个:添加记录时更新数据库,然后form1 DGV重新读取或添加新价记录