I have a set of productIDs in a DataTable.
I would like to display the relevant data about the specific productIDs in the DataTable in a DataList with the Product data being drawn another Database called Products.
How do I do this?
And how do I write the select statement in VB.net in the SqlDataSource of the Gridview?
I thought of a SELECT .. WHERE .. IN?
While working with LINQ to ENTITIES I see that there is only a way to use stored procedure that is returning one entity only, or a view that is a join of two entities.
But what if I need in ASPX page to get two tables that there is NO connection between them, no join can be done between them at all.
I have one Stored Procedure that return the two tables, but entities don't support this right now.
I can split them to two Stored Procedure and call each of them separately.
how to join two datatable datas into one datatable to show in one gridview
i.e in 1 datatable i have username and pwd and in another datatable i have that user details. how to show all these in one datatable to get those values display in gridview(asp.net)
'DataTable' is an ambiguous reference between 'System.Data.DataTable' and 'Microsoft.Office.Interop.Word.DataTable'
View 3 Replies I've coded a GridView in the markup in a page. I have coded a DataTable in the code-behind that takes data from a collection of custom objects. I then bind that DataTable to the GridView. (Specific problem mentioned a couple code-snippets below.)
GridView Markup:
<asp:GridView ID="gvCart" runat="server" CssClass="pList" AutoGenerateColumns="false" DataKeyNames="ProductID">
<Columns>
[code]....
Goal: I'm basically trying to find a way to update the data in my GridView (and more importantly my cart Session object) without having to do everything else I've seen online such as utilizing OnRowUpdate, etc. Could someone please tell me why gvCart.Rows is empty and/or how I could accomplish my goal without utilizing OnRowUpdate, etc.? When I execute this code, the GridView gets populated but for some reason I can't access any of its rows in the code-behind.
how to get datatable from gridview?
somthing like this:
DataTable dt = gridview1.DataSource as DataTable;
I don't want to save data in session before grid binding.
basically I had a repeater that i needed to be able to now update row by row. I thought the easiest way would be to replace with a datagrid.
Here is the code:
Code:
[code]....
If I take away the select filtering, I then get this error on rowdatabound
Unable to cast object of type 'System.Data.DataRowView' to type 'System.Data.DataRow'.
First off, im using a checkbox to highlight a true or false value from a dataset which I want to be able to change it. Unfortunately databinding the DataTable to the GridView checkboxes doesnt work (as you probably know) as it requires it to be in "edit" mode.
The way I've gotten round this is having the checkbox reading the data table value seperately rather than being databound and locked:
Checked='<%# Convert.ToBoolean(Eval("myValue")) %>'
So that solves checkbox values from DataTable -> GridView, now I need to do the opposite having the changed checkbox values go from GridView -> DataTable as it is not ready to submit it to my data source (SQL) just yet.
I figure I need to run a loop through the GridView rows, thats a give'un, what I can't figure out is how to replace/update just a single value in a row of a DataTable , only the ability to add or remove an entire row by the looks of things (something I don't want to do).
So can anyone offer a workaround?
Or is there a way to have a databound but always editable checkbox in a gridview?
I was reading: [URL]
But I have give a compilation error:
CS0246: The type or namespace name 'DataTable' could not be found (are you missing a using directive or an assembly reference?
i have the dataset with one table.Table contains three column like 'Name','Location','Pin'.I would like to move the data from another table based on schema.
View 2 RepliesIf I am passed a datatable and I cant change the column structure..is there anyway to set an existing column to a Primary key so I can easily Find() the row I am looking for?
View 1 Repliesim trying to copying specific record from one datatable to another datatable i used below code
public System.Data.DataTable selectspecificdatarow(System.Data.DataTable dtg, int count, int startindex)
{
System.Data.DataTable dtn = dtg.Clone();
for (int i =startindex; i < count; i++)
[Code]....
its taking too long time in cloneing is there any better way to do this task which is Time effecent
I have a repository that contains all of my LINQ queries for this project that I am working on. I am able to get the LINQ results to a DataTable and bind that to a gridview for displaying the data. Now I need to make the gridview sortable. I have set AllowSorting="true" and I have the OnSort event handled in a routine in the codebehind.
View 2 RepliesI am trying to add many rows in the gridview by clicking a Add button in web form by takeing the value from the textbox then add it to gridview but i couldn't because it accept one row only so how can I let the gridview accept more than one row in every click to the button.
[Code]....
I have a gridview which is bound to a DataTable. When I try to sort the gridview, it goes blank. How can I enable sorting this gridview? I know this question has been asked before, but what I'm looking for is an explanation of how to do it. Perhaps with a simple example.
I have read that I need to put some code in the on_sorting and/or on_sorted events, but I don't understand what needs to go there. Again, I want to understand the method of accomplishing this, I don't just want a giant block of code.
how to bind the value to gridview
i have a datatable
DataTable dtBindGrid = new DataTable();
dtBindGrid = serviceobj.SelectExamTimeTable(txtSchoolName.Text, txtBranchName.Text, txtClass.Text, txtExamName.Text);
foreach (DataRow row in dtBindGrid.Rows)
{
[Code]....
this datatable will return me some values like day,date,time,duration,subject,..
here im getting each value in string bec to convert the Time as 9.00am or 9.00pm
DatedTime = Convert.ToDateTime(row["Time"].ToString());
strgettime = DatedTime.ToString("t");
.... how to bind this converted value to my gridview.
I have the following code which doesn't seem to work. In the Page_Load function I populate the DataSet and display the results in a grid view.
newsCommand = new SqlCommand("SQL code here", dbConnection);
newsDataSet = new DataSet();
newsDataAdapter = new SqlDataAdapter(newsCommand);
newsDataAdapter.SelectCommand = newsCommand;
newsDataAdapter.Fill(newsDataSet, "Bulletins");
[Code]....
Yet the gridview shows the data it orignally loaded, and not the filtered data. The only thing I can think of is that I'm not using the DataTable in the Page_Load function.
I'm hacking my way through ASP.Net WebForms, coming from VB.Net WinForms. I was hoping the transition would've been more seamless... it is not.
I have a GridView (Paging enabled) bound to a DataTable, filled with Joined tables from an Access 2000 DataBase.
The GridView and DetailsView are bound to the same DataTable.
In the GridView's SelectedIndexChanged Event I have the following:
vb.net Code:
' dtvSelected is the DetailsView' dgvJobTOF is the GridView Me.dtvSelected.PageIndex = Me.dgvJobTOF.SelectedIndex
When the page loads the first item in the GridView is also displayed in the DetailsView.
I've added a "Select" button in the GridView and when it is clicked the Data in the DetailsView remains the same regardless of the selected GridView row.
DataBinding Method:
vb.net Code:
[code]....
How to convert GridView's current page into DataTable?
View 1 RepliesI am using an Active Directory DirectorySearcher to populate a DataTable and GridView so I can make a sort of "Phone List", very similar to the following post: [URL] What I also want to do is use a ComboBox with Append AutoComplete mode to easily filter this phonelist. However, what datasource am I supposed to bind the ComboBox to?
View 1 RepliesI am binding a table to a gridview in asp.net as such
grdIssues.DataSource = mdtIssues;
grdIssues.DataBind();
The problem is I cannot then control the column width, asp.net seems to decided on it's own what width each column should be. Methods such as
grdIssues.Columns[0].ItemStyle.Width = 100;
grdIssues.Columns[1].ItemStyle.Width = 100;
don't work because the columns are created dynamically. I cannot believe there isn't a way to do this short of manually creating each column and filling each row.
How can I setup some format for cells in some column in my DataTable or GridView ?I need to make some double columns rounded , for example :
3.564643 -> 3.56
3.546723 -> 3.55
6.654644 -> 6.65
DataFormatString ?where ?Question still active, I didn't solved the problem :-/
let's say we have datatable with "<a>12</a>" as rows.when i try to bind it to gridview programmatically
I'm not getting href links like 12 But just a strings like "<a>12</a>"
Code:
Dim datatable as new DataTable
datatable.Columns.Add("No")
dim datarow1 ad DataRow = datatable.newrow()
datarow1(0) = "<a>12</a>"
datatable.rows.add(datarow1)
gridview1.DataSource = datatable
gridview1.DataBind()
I've got a GridView that's databound to a DataTable that I have stored in Session. I want to be able to add a LinkButton into this gridview so I can delete rows from the DataTable, however, I need to reference the rows in the datatable somehow.
I figured the simplest was
[Code]....
but the problem is, I need to somehow cross-reference the particular row I want deleted.
I'm trying to sort GridView but I have problem with converting DataSource to DataTable. Object of DataTable is empty. I don't know how to convert it.Do you have any ideas? Here is my code:
private void SortGridView(string sortExpression, string direction)
{
DataTable dt = GridViewDzialania.DataSource as DataTable;
DataView dv = new DataView(dt);
dv.Sort = sortExpression + direction;
GridViewDzialania.DataSource = dv;
GridViewDzialania.DataBind();
}