DataGridViewCheckBoxColumn获得选中状态
WinForm中DataGridViewCheckBoxColumn这个列，我是通过他的选中然后点button来删除一个列的，这个代码怎么写呢？ 大家说说思路
我在网上找的，代码 不过不行
private void button2_Click(object sender, EventArgs e)
{

for (int i = 0; i < dataGridView1.RowCount; i++)
{
string re_value = dataGridView1.Rows[i].Cells[0].EditedFormattedValue.ToString();

if (re_value == "True ")//判断勾选的
{

string strConnection = "Provider=Microsoft.Jet.OleDb.4.0; ";
strConnection += "Data Source= ";
strConnection += Application.StartupPath + (@ "\CMT.mdb ");
OleDbConnection conn = new OleDbConnection(strConnection);
conn.Open();

OleDbCommand cmd = new OleDbCommand( "delete from foa_Personnel where..... ", conn);


cmd.ExecuteNonQuery();
MessageBox.Show( "成功！ ");

}
else
{
continue;
}
}

}
sql语句的where条件怎么写？

[解决办法]
你要获取被选中行的主键，然后再根据主键删除数据库的行。
下面的例子的数据库主键为t_id;


private void button2_Click(object sender, EventArgs e)
{

for (int i = 0; i < dataGridView1.RowCount; i++)
{
string re_value = dataGridView1.Rows[i].Cells[0].EditedFormattedValue.ToString();

if (re_value == "True ")//判断勾选的
{
string id==dataGridView1.Rows[i].Cells[ "t_id "].Value.ToString().Trim();
string strConnection = "Provider=Microsoft.Jet.OleDb.4.0; ";
strConnection += "Data Source= ";
strConnection += Application.StartupPath + (@ "\CMT.mdb ");
OleDbConnection conn = new OleDbConnection(strConnection);
conn.Open();

OleDbCommand cmd = new OleDbCommand( "delete from foa_Personnel where [t_id]= ' " + id + " ' ", conn);


cmd.ExecuteNonQuery();
MessageBox.Show( "成功！ ");

}

}

}