一、DataGridView绑定数据库之后直接对其进行操作:
1.在按钮添加更新操作代码(只需一行):
this.tbTableAdapter.Update(this.abcDataSet2.tb);
其中abc为数据库名,tb为表名
2.在按钮添加删除操作代码:
DialogResult dlResult = MessageBox.Show(this, "要删除这些记录吗?", "请确认",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1,
MessageBoxOptions.RightAlign);
if (dlResult == DialogResult.Yes)
{
int j = dataGridView1.SelectedRows.Count;
int[] l = new int[j];
int i;
for (i = 0; i < j; i++)
{
l[i] = dataGridView1.SelectedRows[i].Index;
}
int k = 0;
while (k < j)
{
this.abcDataSet2.tb.Rows[l[k]].Delete();
k++;
}
二、DataGridView绑定数据库,把查询结果进行更新、删除操作后保存到数据库:
1.在按钮添加更新操作代码:
if (MessageBox.Show("确实要修改数据库吗?", "决策提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
{
DataTable dt = dataGridView1.DataSource as DataTable;
if (dt != null)
{
try
{
using (SqlConnection con = new SqlConnection("data source=ksig;initial catalog=AMDMS;user id=sa;pwd=123;"))
{
SqlDataAdapter da = new SqlDataAdapter("select * from account", con);
SqlCommandBuilder scb = new SqlCommandBuilder(da);
DataSet ds = new DataSet();
da.Fill(ds, "account");
da.Update(dt);
}
}
catch (DataException de)
{
//
}
}
MessageBox.Show("成功修改数据库!", "恭喜");
}
else
{
MessageBox.Show("放弃修改数据库!", "系统提示");
}
2.在按钮添加删除操作代码:
//在DataGridView1界面上进行可视化删除
dataGridView1.Rows.Remove(dataGridView1.Rows[dataGridView1.CurrentCell.RowIndex]);
//把删除后的DataGridView1的结果更新到数据库中
DataTable dt = dataGridView1.DataSource as DataTable;
if (dt != null)
{
try
{
using (SqlConnection con = new SqlConnection("data source=ksig;initial catalog=AMDMS;user id=sa;pwd=123;"))
{
SqlDataAdapter da = new SqlDataAdapter("select * from account", con);
SqlCommandBuilder scb = new SqlCommandBuilder(da);
DataSet ds = new DataSet();
da.Fill(ds, "account");
da.Update(dt);
}
}
catch (DataException de)
{
//
}
}