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Elitus Explorus
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- September 7, 2001
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All,
I'm working on a school project with asp.NET and MS Access.
I've got this to work, but I can't figure out how to get the price variable in the add record form to ignore any charecters exept numbers. It's the btnAddPart_Click method.
I figured out how to do the same thing to update records (dgParts_update method), but it doesn't work for insert..
Any help would be greatly appreciated.
TIA
Here's the code
<%@ Page Language="C#" ContentType="text/html" ResponseEncoding="iso-8859-1" Debug="true"%>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Parts Management</title>
<script runat="server">
string sqlConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\\wwwroot\\Parts\\data1\\PartsAreUs.mdb";
protected void Page_Load(Object Src, EventArgs e)
{
if (!IsPostBack)
{
DoConnect();
}
}
private void DoConnect()
{
OleDbConnection PartConn = new OleDbConnection(sqlConn);
OleDbCommand selCMD = new OleDbCommand("Select * from Parts", PartConn);
OleDbDataAdapter sda = new OleDbDataAdapter();
sda.SelectCommand = selCMD;
DataSet ds = new DataSet();
sda.Fill(ds, "Parts");
dgParts.DataSource=ds.Tables["Parts"].DefaultView;
dgParts.DataBind();
}
public void dgParts_Edit(Object sender, DataGridCommandEventArgs e)
{
dgParts.EditItemIndex = e.Item.ItemIndex;
DoConnect();
}
public void dgParts_Cancel(Object sender, DataGridCommandEventArgs e)
{
dgParts.EditItemIndex = -1;
DoConnect();
}
public void dgParts_Update(Object sender, DataGridCommandEventArgs e)
{
string sPartID, sPartName, sPartDescription, sPartPrice;
sPartID = ((TextBox)e.Item.Cells[1].Controls[0]).Text;
sPartName = ((TextBox)e.Item.Cells[2].Controls[0]).Text;
sPartDescription = ((TextBox)e.Item.Cells[3].Controls[0]).Text;
sPartPrice = ((TextBox)e.Item.Cells[4].Controls[0]).Text;
string sSqlCmd = "UPDATE Parts SET Name = ?, Description = ?, Price = ? WHERE PartID = ?";
OleDbConnection updCon = new OleDbConnection(sqlConn);
OleDbCommand updCmd = new OleDbCommand(sSqlCmd, updCon);
string sPrice = sPartPrice.Remove(0, 1);
updCmd.Parameters.Add(new OleDbParameter("@PartName", OleDbType.VarWChar, 50));
updCmd.Parameters["@PartName"].Value = sPartName;
updCmd.Parameters.Add(new OleDbParameter("@PartDescription", OleDbType.VarWChar, 100));
updCmd.Parameters["@PartDescription"].Value = sPartDescription;
updCmd.Parameters.Add(new OleDbParameter("@PartPrice", OleDbType.Currency));
updCmd.Parameters["@PartPrice"].Value = sPrice;
updCmd.Parameters.Add(new OleDbParameter("@PartID", OleDbType.Integer));
updCmd.Parameters["@PartID"].Value = sPartID;
updCon.Open();
updCmd.ExecuteNonQuery();
updCon.Close();
//lblMsg.Text = "You chose to update Item # " + dgParts.EditItemIndex;
dgParts.EditItemIndex = -1;
DoConnect();
}
public void dgParts_Delete(Object sender, DataGridCommandEventArgs e)
{
string delSQL = "DELETE FROM Parts WHERE PartID = ?";
OleDbConnection delCon = new OleDbConnection(sqlConn);
OleDbCommand delCmd = new OleDbCommand(delSQL, delCon);
delCmd.Parameters.Add(new OleDbParameter("@PartID", OleDbType.Integer));
delCmd.Parameters["@PartID"].Value = dgParts.DataKeys[(int)e.Item.ItemIndex];
delCon.Open();
delCmd.ExecuteNonQuery();
delCon.Close();
dgParts.EditItemIndex = e.Item.ItemIndex;
DoConnect();
}
public void btnAddPart_Click(object Src, EventArgs e)
{
string inSQL = "Insert INTO Parts (Name, Description, Price) VALUES (?, ?, ?)";
OleDbConnection insCon = new OleDbConnection(sqlConn);
OleDbCommand insCmd = new OleDbCommand(inSQL, insCon);
insCmd.Parameters.Add(new OleDbParameter("@PartName", OleDbType.VarWChar, 50));
insCmd.Parameters["@PartName"].Value = txtPartName.Text;
insCmd.Parameters.Add(new OleDbParameter("@PartDescription", OleDbType.VarWChar, 100));
insCmd.Parameters["@PartDescription"].Value = txtPartDescription.Text;
insCmd.Parameters.Add(new OleDbParameter("@PartPrice", OleDbType.Currency));
insCmd.Parameters["@PartPrice"].Value = txtPartPrice.Text;
insCon.Open();
insCmd.ExecuteNonQuery();
insCon.Close();
DoConnect();
txtPartName.Text="";
txtPartDescription.Text="";
txtPartPrice.Text="";
pnlAddPart.Visible = false;
btnAddRecord.Visible = true;
}
public void btnAddRecord_Click(Object Src, EventArgs E)
{
btnAddRecord.Visible = false;
pnlAddPart.Visible = true;
}
public void btnCancelAdd_Click(object Src, EventArgs e)
{
txtPartName.Text="";
txtPartDescription.Text="";
txtPartPrice.Text="";
btnAddRecord.Visible = true;
pnlAddPart.Visible = false;
}
protected void ConfirmDelete(Object sender, DataGridItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
WebControl button = (WebControl) e.Item.Cells[5].Controls[0];
button.Attributes.Add("onclick", "return confirm (\"Are you sure you want to permanently delete this part ?\");");
}
}
protected void dgParts_Sort(Object Src, DataGridSortCommandEventArgs e)
{
BindGrid(e.SortExpression);
}
public void BindGrid(string sortfield)
{
OleDbConnection srtCon = new OleDbConnection(sqlConn);
OleDbDataAdapter srtDA = new OleDbDataAdapter("Select * from Parts", srtCon);
DataSet srtDS = new DataSet();
srtDA.Fill(srtDS);
DataView view = srtDS.Tables[0].DefaultView;
view.Sort = sortfield + " ASC";
if (sortfield == "Price")
{
view.Sort = sortfield + " DESC";
}
dgParts.DataSource = view;
dgParts.DataBind();
}
</script>
</head>
<body>
<h2>Parts Administration</h2>
<hr>
<form runat="server">
<asp:Button ID="btnAddRecord" runat="server" Text="Add Record" OnClick="btnAddRecord_Click" Visible="true" />
<asp
anel ID="pnlAddPart" runat="server" Visible="false">
<table width="100%" border="0" cellspacing="5" cellpadding="5">
<tr>
<td><div align="center">Part name</div></td>
<td><asp:textbox id="txtPartName" runat="server" /><asp:RequiredFieldValidator ControlToValidate="txtPartName" Display="Dynamic" ErrorMessage="Part Name is Required" ID="rtvPartName" runat="server" Text="*" /></td>
</tr>
<tr>
<td><div align="center">Part Description</div></td>
<td><asp:textbox id="txtPartDescription" runat="server" /></td>
</tr>
<tr>
<td><div align="center">Part Price</div></td>
<td><asp:textbox id="txtPartPrice" runat="server" /><asp:RequiredFieldValidator ControlToValidate="txtPartPrice" Display="Dynamic" ErrorMessage="Part Price is Required" ID="rfvPartPrice" runat="server" Text="*" /></td>
</tr>
<tr>
<td>
<div align="center"><asp:Button ID="btnAddPart" Text="Insert Part" runat="server" OnClick = btnAddPart_Click />
</td>
<td>
<div align="center"><asp:Button ID="btnCancelAdd" Text="Cancel" runat="server" CausesValidation="false" OnClick = btnCancelAdd_Click />
</td>
</tr>
</table>
<asp:ValidationSummary DisplayMode="BulletList" HeaderText="The Following Errors Occured:" ID="vsSummary" runat="server" />
</aspanel>
<br>
<aspataGrid
AutoGenerateColumns="false"
CellPadding="3"
CellSpacing="0"
DataKeyField="PartID"
HorizontalAlign="Center"
id="dgParts"
runat="server"
Showheader="true"
Width="85%"
allowSorting="true"
OnUpdateCommand="dgParts_Update"
OnEditCommand="dgParts_Edit"
OnCancelCommand="dgParts_Cancel"
OnDeleteCommand="dgParts_Delete"
OnItemCreated = "ConfirmDelete"
OnSortCommand = "dgParts_Sort"
GridLine="Both">
<HeaderStyle
HorizontalAlign="Center"
BackColor="#E8EBFD"
ForeColor="#3D3DB6"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Bold="true"
Font-Size="smaller" />
<ItemStyle
BackColor="#F2F2F2"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Size="smaller" />
<AlternatingItemStyle
BackColor="#E5E5E5"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Size="smaller" ForeColor="#0000FF" />
<FooterStyle
HorizontalAlign="center"
BackColor="#E8EBFD"
ForeColor="#3D3DB6"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Bold="true"
Font-Size="smaller" />
<Columns>
<asp:editcommandcolumn ButtonType="pushbutton"
runat="server"
CancelText="Cancel"
EditText="Edit"
UpdateText="Update"
HeaderText="Edit">
</asp:editcommandcolumn>
<asp:boundcolumn
DataField="PartID"
HeaderText="PartID"
SortExpression="PartID"
runat="server"
ReadOnly="false">
</asp:boundcolumn>
<asp:boundcolumn
DataField="Name"
HeaderText="Name"
SortExpression="Name"
runat="server">
</asp:boundcolumn>
<asp:boundcolumn
DataField="Description"
HeaderText="Description"
runat="server">
</asp:boundcolumn>
<asp:boundcolumn
DataField="Price"
HeaderText="Price"
SortExpression="Price"
runat="server"
DataFormatString="{0:c}">
</asp:boundcolumn>
<asp:ButtonColumn ButtonType="pushbutton"
CommandName="Delete"
Text="Delete"
runat="server">
</asp:ButtonColumn>
</Columns>
</asp:datagrid>
</form>
</body>
</html>
I'm working on a school project with asp.NET and MS Access.
I've got this to work, but I can't figure out how to get the price variable in the add record form to ignore any charecters exept numbers. It's the btnAddPart_Click method.
I figured out how to do the same thing to update records (dgParts_update method), but it doesn't work for insert..
Any help would be greatly appreciated.
TIA
Here's the code
<%@ Page Language="C#" ContentType="text/html" ResponseEncoding="iso-8859-1" Debug="true"%>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Parts Management</title>
<script runat="server">
string sqlConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\\wwwroot\\Parts\\data1\\PartsAreUs.mdb";
protected void Page_Load(Object Src, EventArgs e)
{
if (!IsPostBack)
{
DoConnect();
}
}
private void DoConnect()
{
OleDbConnection PartConn = new OleDbConnection(sqlConn);
OleDbCommand selCMD = new OleDbCommand("Select * from Parts", PartConn);
OleDbDataAdapter sda = new OleDbDataAdapter();
sda.SelectCommand = selCMD;
DataSet ds = new DataSet();
sda.Fill(ds, "Parts");
dgParts.DataSource=ds.Tables["Parts"].DefaultView;
dgParts.DataBind();
}
public void dgParts_Edit(Object sender, DataGridCommandEventArgs e)
{
dgParts.EditItemIndex = e.Item.ItemIndex;
DoConnect();
}
public void dgParts_Cancel(Object sender, DataGridCommandEventArgs e)
{
dgParts.EditItemIndex = -1;
DoConnect();
}
public void dgParts_Update(Object sender, DataGridCommandEventArgs e)
{
string sPartID, sPartName, sPartDescription, sPartPrice;
sPartID = ((TextBox)e.Item.Cells[1].Controls[0]).Text;
sPartName = ((TextBox)e.Item.Cells[2].Controls[0]).Text;
sPartDescription = ((TextBox)e.Item.Cells[3].Controls[0]).Text;
sPartPrice = ((TextBox)e.Item.Cells[4].Controls[0]).Text;
string sSqlCmd = "UPDATE Parts SET Name = ?, Description = ?, Price = ? WHERE PartID = ?";
OleDbConnection updCon = new OleDbConnection(sqlConn);
OleDbCommand updCmd = new OleDbCommand(sSqlCmd, updCon);
string sPrice = sPartPrice.Remove(0, 1);
updCmd.Parameters.Add(new OleDbParameter("@PartName", OleDbType.VarWChar, 50));
updCmd.Parameters["@PartName"].Value = sPartName;
updCmd.Parameters.Add(new OleDbParameter("@PartDescription", OleDbType.VarWChar, 100));
updCmd.Parameters["@PartDescription"].Value = sPartDescription;
updCmd.Parameters.Add(new OleDbParameter("@PartPrice", OleDbType.Currency));
updCmd.Parameters["@PartPrice"].Value = sPrice;
updCmd.Parameters.Add(new OleDbParameter("@PartID", OleDbType.Integer));
updCmd.Parameters["@PartID"].Value = sPartID;
updCon.Open();
updCmd.ExecuteNonQuery();
updCon.Close();
//lblMsg.Text = "You chose to update Item # " + dgParts.EditItemIndex;
dgParts.EditItemIndex = -1;
DoConnect();
}
public void dgParts_Delete(Object sender, DataGridCommandEventArgs e)
{
string delSQL = "DELETE FROM Parts WHERE PartID = ?";
OleDbConnection delCon = new OleDbConnection(sqlConn);
OleDbCommand delCmd = new OleDbCommand(delSQL, delCon);
delCmd.Parameters.Add(new OleDbParameter("@PartID", OleDbType.Integer));
delCmd.Parameters["@PartID"].Value = dgParts.DataKeys[(int)e.Item.ItemIndex];
delCon.Open();
delCmd.ExecuteNonQuery();
delCon.Close();
dgParts.EditItemIndex = e.Item.ItemIndex;
DoConnect();
}
public void btnAddPart_Click(object Src, EventArgs e)
{
string inSQL = "Insert INTO Parts (Name, Description, Price) VALUES (?, ?, ?)";
OleDbConnection insCon = new OleDbConnection(sqlConn);
OleDbCommand insCmd = new OleDbCommand(inSQL, insCon);
insCmd.Parameters.Add(new OleDbParameter("@PartName", OleDbType.VarWChar, 50));
insCmd.Parameters["@PartName"].Value = txtPartName.Text;
insCmd.Parameters.Add(new OleDbParameter("@PartDescription", OleDbType.VarWChar, 100));
insCmd.Parameters["@PartDescription"].Value = txtPartDescription.Text;
insCmd.Parameters.Add(new OleDbParameter("@PartPrice", OleDbType.Currency));
insCmd.Parameters["@PartPrice"].Value = txtPartPrice.Text;
insCon.Open();
insCmd.ExecuteNonQuery();
insCon.Close();
DoConnect();
txtPartName.Text="";
txtPartDescription.Text="";
txtPartPrice.Text="";
pnlAddPart.Visible = false;
btnAddRecord.Visible = true;
}
public void btnAddRecord_Click(Object Src, EventArgs E)
{
btnAddRecord.Visible = false;
pnlAddPart.Visible = true;
}
public void btnCancelAdd_Click(object Src, EventArgs e)
{
txtPartName.Text="";
txtPartDescription.Text="";
txtPartPrice.Text="";
btnAddRecord.Visible = true;
pnlAddPart.Visible = false;
}
protected void ConfirmDelete(Object sender, DataGridItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
WebControl button = (WebControl) e.Item.Cells[5].Controls[0];
button.Attributes.Add("onclick", "return confirm (\"Are you sure you want to permanently delete this part ?\");");
}
}
protected void dgParts_Sort(Object Src, DataGridSortCommandEventArgs e)
{
BindGrid(e.SortExpression);
}
public void BindGrid(string sortfield)
{
OleDbConnection srtCon = new OleDbConnection(sqlConn);
OleDbDataAdapter srtDA = new OleDbDataAdapter("Select * from Parts", srtCon);
DataSet srtDS = new DataSet();
srtDA.Fill(srtDS);
DataView view = srtDS.Tables[0].DefaultView;
view.Sort = sortfield + " ASC";
if (sortfield == "Price")
{
view.Sort = sortfield + " DESC";
}
dgParts.DataSource = view;
dgParts.DataBind();
}
</script>
</head>
<body>
<h2>Parts Administration</h2>
<hr>
<form runat="server">
<asp:Button ID="btnAddRecord" runat="server" Text="Add Record" OnClick="btnAddRecord_Click" Visible="true" />
<asp
anel ID="pnlAddPart" runat="server" Visible="false"><table width="100%" border="0" cellspacing="5" cellpadding="5">
<tr>
<td><div align="center">Part name</div></td>
<td><asp:textbox id="txtPartName" runat="server" /><asp:RequiredFieldValidator ControlToValidate="txtPartName" Display="Dynamic" ErrorMessage="Part Name is Required" ID="rtvPartName" runat="server" Text="*" /></td>
</tr>
<tr>
<td><div align="center">Part Description</div></td>
<td><asp:textbox id="txtPartDescription" runat="server" /></td>
</tr>
<tr>
<td><div align="center">Part Price</div></td>
<td><asp:textbox id="txtPartPrice" runat="server" /><asp:RequiredFieldValidator ControlToValidate="txtPartPrice" Display="Dynamic" ErrorMessage="Part Price is Required" ID="rfvPartPrice" runat="server" Text="*" /></td>
</tr>
<tr>
<td>
<div align="center"><asp:Button ID="btnAddPart" Text="Insert Part" runat="server" OnClick = btnAddPart_Click />
</td>
<td>
<div align="center"><asp:Button ID="btnCancelAdd" Text="Cancel" runat="server" CausesValidation="false" OnClick = btnCancelAdd_Click />
</td>
</tr>
</table>
<asp:ValidationSummary DisplayMode="BulletList" HeaderText="The Following Errors Occured:" ID="vsSummary" runat="server" />
</asp
anel><br>
<asp
ataGrid AutoGenerateColumns="false"
CellPadding="3"
CellSpacing="0"
DataKeyField="PartID"
HorizontalAlign="Center"
id="dgParts"
runat="server"
Showheader="true"
Width="85%"
allowSorting="true"
OnUpdateCommand="dgParts_Update"
OnEditCommand="dgParts_Edit"
OnCancelCommand="dgParts_Cancel"
OnDeleteCommand="dgParts_Delete"
OnItemCreated = "ConfirmDelete"
OnSortCommand = "dgParts_Sort"
GridLine="Both">
<HeaderStyle
HorizontalAlign="Center"
BackColor="#E8EBFD"
ForeColor="#3D3DB6"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Bold="true"
Font-Size="smaller" />
<ItemStyle
BackColor="#F2F2F2"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Size="smaller" />
<AlternatingItemStyle
BackColor="#E5E5E5"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Size="smaller" ForeColor="#0000FF" />
<FooterStyle
HorizontalAlign="center"
BackColor="#E8EBFD"
ForeColor="#3D3DB6"
Font-Name="Verdana, Arial, Helvetica, sans-serif"
Font-Bold="true"
Font-Size="smaller" />
<Columns>
<asp:editcommandcolumn ButtonType="pushbutton"
runat="server"
CancelText="Cancel"
EditText="Edit"
UpdateText="Update"
HeaderText="Edit">
</asp:editcommandcolumn>
<asp:boundcolumn
DataField="PartID"
HeaderText="PartID"
SortExpression="PartID"
runat="server"
ReadOnly="false">
</asp:boundcolumn>
<asp:boundcolumn
DataField="Name"
HeaderText="Name"
SortExpression="Name"
runat="server">
</asp:boundcolumn>
<asp:boundcolumn
DataField="Description"
HeaderText="Description"
runat="server">
</asp:boundcolumn>
<asp:boundcolumn
DataField="Price"
HeaderText="Price"
SortExpression="Price"
runat="server"
DataFormatString="{0:c}">
</asp:boundcolumn>
<asp:ButtonColumn ButtonType="pushbutton"
CommandName="Delete"
Text="Delete"
runat="server">
</asp:ButtonColumn>
</Columns>
</asp:datagrid>
</form>
</body>
</html>
