c#中,“需要参数,但未提供该参数”的问题!!
private void delete_Click(object sender, EventArgs e)
{
DialogResult ret = MessageBox.Show("确定要删除吗?", "删除", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (ret == DialogResult.Cancel) return;
sqlDeleteCommand.CommandText = "delete from XS where XH='"+tbXH.Text+"'";
try
{
sqlConnection1.Open();
int rows = sqlDeleteCommand.ExecuteNonQuery();
FormAlter_Load(null, null);
if (rows == 1)
{
MessageBox.Show("删除成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
finally
{
sqlConnection1.Close();
}
}
int rows = sqlDeleteCommand.ExecuteNonQuery()上错误提示:
参数化查询 '(@Original_学号 varchar(8000),@IsNull_姓名 int,@Original_姓名 varchar(' 需要参数 @Original_学号,但未提供该参数。