//读取表Supplier并绑定到GridView中
private void BindGvSupplier()
{
OracleConnection conn = this.Conn();
OracleCommand cmd = new OracleCommand("select * from Supplier", conn);
OracleDataAdapter sda = new OracleDataAdapter(cmd);
DataSet ds = new DataSet();
sda.Fill(ds, "Supplier");

string[] SuppId = new string[ds.Tables["Supplier"].Rows.Count];
for (int i = 0; i < ds.Tables["Supplier"].Rows.Count; i++)
{
SuppId[i] = ds.Tables["Supplier"].Rows[i][0].ToString();
}
this.gvSupplier.DataSource = ds.Tables["Supplier"];
this.gvSupplier.DataKeyNames[0] = "SuppId";
this.gvSupplier.DataBind();
this.lblPageIndex.Text = Convert.ToString(int.Parse(this.gvSupplier.PageIndex.ToString()) + 1);
this.lblTotalPage.Text = this.gvSupplier.PageCount.ToString();
this.lblCount.Text = this.GetTotalCount().ToString();
}

//分页触发的事件
protected void gvSupplier_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
this.gvSupplier.PageIndex = e.NewPageIndex;
this.BindGvSupplier();
this.lblPageIndex.Text = Convert.ToString(int.Parse(this.gvSupplier.PageIndex.ToString()) + 1);
this.cbAllSelect_CheckedChanged(this.cbAllSelect, e);
}

//删除按钮触发的事件
protected void gvSupplier_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
int id = e.RowIndex;

GridViewRow gvr = this.gvSupplier.Rows[id];
int SuppId=int.Parse(((HyperLink)(gvr.Cells[7].Controls[0])).Text.ToString());
string sqlString = "delete from Supplier where SuppId=" + SuppId;
//如果本页只有一条数据，删除后要向前翻一页
if (this.gvSupplier.Rows.Count == 1)
{
if (this.gvSupplier.PageIndex > 1)
{
this.gvSupplier.PageIndex--;
}
}
int result = ExecuteSql(sqlString);
if (result == 1)
{
this.Alert("你成功删除一条数据", this.Page);
}
this.BindGvSupplier();
this.BindGvSupplier();

}

//绑定删除按钮的确认提示
protected void gvSupplier_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
LinkButton myLb = (LinkButton)(e.Row.Cells[8].Controls[1]);
myLb.Attributes.Add("onclick","javascript:return confirm('你确认删除"+e.Row.Cells[0].Text+"吗?')");
//鼠标经过时改变行的颜色
e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#ffffe7'");
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='transparent'");
}
}

//执行一条Oracle语句
private int ExecuteSql(String sqlString)
{
//try
//{
OracleConnection conn = this.Conn();
conn.Open();
OracleCommand cmd = new OracleCommand(sqlString, conn);
int effectedLine = cmd.ExecuteNonQuery();
conn.Close();
return effectedLine;
//}
//catch
//{
// return 0;
//}
}

//点击编辑按钮时触发的事件
protected void gvSupplier_RowEditing(object sender, GridViewEditEventArgs e)
{
string s = this.gvSupplier.DataKeys[e.NewEditIndex][1].ToString();
this.txtAddr1.Text = "dddd" + s;
this.gvSupplier.EditIndex = e.NewEditIndex;
this.BindGvSupplier();
}
//点击取消按钮时触发的事件
protected void gvSupplier_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
this.gvSupplier.EditIndex = -1;
this.BindGvSupplier();
}
//点击更新按钮时触发的事件
protected void gvSupplier_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
int id = e.RowIndex;
GridViewRow gvr = this.gvSupplier.Rows[id];
int suppId = int.Parse(((HyperLink)(gvr.Cells[7].Controls[0])).Text.ToString());
string name = ((TextBox)gvr.Cells[0].Controls[0]).Text.ToString();
string status = ((TextBox)gvr.Cells[1].Controls[0]).Text.ToString();
string addr1 = ((TextBox)gvr.Cells[2].Controls[0]).Text.ToString();
string addr2 =((TextBox) gvr.Cells[3].Controls[0]).Text.ToString();
string city = ((TextBox)gvr.Cells[4].Controls[0]).Text.ToString();
string state = ((TextBox)gvr.Cells[5].Controls[0]).Text.ToString();
string zip=((TextBox)gvr.Cells[6].Controls[0]).Text.ToString();
string sqlString = "update Supplier set Name='" + name + "',Status='" + status + "',Addr1='" + addr1 + "',Addr2='" + addr2 + "',City='" + city + "',State='" + state + "',Zip='" + zip + "' where SuppId=" + suppId;
int result = ExecuteSql(sqlString);
if (result == 1)
{
//......
}
this.gvSupplier.EditIndex = -1;
this.BindGvSupplier();
}

 
 
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 回复人：EvilYangs(EvilYang) ( ) 信誉：100 2006-7-14 15:45:21 得分:0
 
 
?
//增加一条记录
protected void btnAdd_Click(object sender, EventArgs e)
{
string name = this.txtName.Text.ToString();
string status = this.txtStatus.Text.ToString();
string addr1 = this.txtAddr1.Text.ToString();
string addr2 = this.txtAddr2.Text.ToString();
string city = this.txtCity.Text.ToString();
string state = this.txtState.Text.ToString();
string zip = this.txtZip.Text.ToString();
string sqlString = "insert into Supplier values(SQSuppId.Nextval,'" + name + "','" + status + "','" + addr1 + "','" + addr2 + "','" + city + "','" + state + "','" + zip + "')";
if (this.ExecuteSql(sqlString) == 1)
{
this.Alert("你成功添加一条数据", this.Page);
}
else
{
this.Alert("添加未成功！", this.Page);
}
this.BindGvSupplier();
}

//查看共有多少条数据
private int GetTotalCount()
{
//try
//{
OracleConnection conn = this.Conn();
conn.Open();
OracleCommand cmd = new OracleCommand("select count(*) from Supplier", conn);
int count = Convert.ToInt32(cmd.ExecuteScalar());
conn.Close();
return count;
//}
//catch
//{
// return 0;
//}
}

//弹出警告窗口
public void Alert(string str_Message, Page page)
{
page.RegisterStartupScript("", "<script>alert('" + str_Message + "');</script>");
}

//弹出确认对话框
public void Confirm(string str_Message, string btn, Page page)
{
page.RegisterStartupScript("", "<script> if (confirm('" + str_Message + "')==true){document.forms(0)." + btn + ".click();}</script>");
}

protected void cbAllSelect_CheckedChanged(object sender, EventArgs e)
{
for(int i=0;i<this.gvSupplier.Rows.Count;i++)
{
CheckBox cbSelect=(CheckBox)(gvSupplier.Rows[i].Cells[10].FindControl("cbSelect"));
cbSelect.Checked=this.cbAllSelect.Checked;
}
}

//当点击删除按钮时删除所有checkbox被选中的数据
protected void btnDel_Click(object sender, EventArgs e)
{
//如果用户确认将触发btnRealDel的事件
this.Confirm("你真的要删除你所选的数据么？", "btnRealDel", this.Page);

}

//真实的删除操作
public void btnRealDel_Click(object sender, EventArgs e)
{
int count = 0;
for (int i = 0; i < this.gvSupplier.Rows.Count; i++)
{
CheckBox myCb = (CheckBox)(this.gvSupplier.Rows[i].Cells[10].FindControl("cbSelect"));
if (myCb.Checked)
{
count++;
HyperLink hl = (HyperLink)(this.gvSupplier.Rows[i].Cells[7].Controls[0]);
int suppId = int.Parse(hl.Text.ToString());
string sqlString = "delete from Supplier where SuppId=" + suppId;
this.ExecuteSql(sqlString);
}
}
if (count > 0)
{
this.Alert("你成功删除了" + count + "条数据", this.Page);
this.BindGvSupplier();
}
}