为什么会报类型错误??????
sqlInsertCommand1.Parameters["@name"].Value=TextBox1.Text;
//将TextBox赋值给对应参数
sqlInsertCommand1.Parameters["@email"].Value=TextBox2.Text;
sqlInsertCommand1.Parameters["@age"].Value=TextBox3.Text;
sqlInsertCommand1.Parameters["@address"].Value=TextBox4.Text;
sqlInsertCommand1.Connection.Open();
//打开连接
sqlInsertCommand1.ExecuteNonQuery();
//执行Insert语句
sqlInsertCommand1.Connection.Close();
//关闭连接
sqlConnection1.Open();
DataSet objDataset;