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SqlConnection mySqlConnection = null ;
try
{
mySqlConnection = new SqlConnection(this.txt_cMessage.Text);

mySqlConnection.Open();
System.Windows.Forms.MessageBox.Show("³É¹¦！");
mySqlConnection.Close();
}
catch
{
System.Windows.Forms.MessageBox.Show("ʧ°Ü！");
}