I'm working on a GridView that has around 75 columns. I'm looking for a way the end user can set the order of columns in which he would like to view so that each time he logs in the order is retained.
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I'm using following code to reorder listview columns programatically somehow it is showing incorrect behaviuor for certain scenarios. Please let me know if there is any alternative way -
[Code]....
using System;
using System.Xml.Serialization;
using System.Windows.Forms;
using System.Collections;
using System.Runtime.InteropServices;
namespace TradeDesk
{
/// <summary>
/// This class is used to save and restore the column width and order settings
/// for a ListView control. Unfortunately, there is no easy way to obtain the
/// order so a Windows message must be sent to the control. This class
/// encapsulates that functionality as well as the serialization/deserialization
/// of the settings.
/// </summary>
[Serializable]
public class ListViewSettings
{
[DllImport("user32.dll")]
static extern bool SendMessage(IntPtr hWnd, Int32 msg, Int32 wParam, ref LV_COLUMN lParam);
[StructLayoutAttribute(LayoutKind.Sequential)]
struct LV_COLUMN {
public UInt32 mask;
public Int32 fmt;
public Int32 cx;
public String pszText;
public Int32 cchTextMax;
public Int32 iSubItem;
public Int32 iImage;
public Int32 iOrder;
}
const Int32 LVM_FIRST = 0x1000;
const Int32 LVM_GETCOLUMN = LVM_FIRST + 95;
const Int32 LVM_SETCOLUMN = LVM_FIRST + 96;
const Int32 LVCF_ORDER = 0x0020;
[XmlElement("ListViewColumns", typeof(ListViewColumn))]
public ArrayList listViewCols = new ArrayList();
public ListViewSettings(ListView listView) {
try {
foreach(ColumnHeader column in listView.Columns) {
LV_COLUMN pcol = new LV_COLUMN();
pcol.mask = LVCF_ORDER;
bool ret = SendMessage(listView.Handle, LVM_GETCOLUMN, column.Index, ref pcol);
listViewCols.Add( new ListViewColumn( column.Text, column.Width, pcol.iOrder ));
}
}
catch {}
}
public void RestoreFormat(ListView listView) {
try {
listView.Hide();
for( int i=0; i<listViewCols.Count; i++ ) {
foreach( ColumnHeader column in listView.Columns ) {
if( column.Text == ((ListViewColumn)listViewCols[i]).header ) {
LV_COLUMN pcol = new LV_COLUMN();
pcol.mask = LVCF_ORDER;
pcol.iOrder = ((ListViewColumn)listViewCols[i]).order;
bool ret = SendMessage(listView.Handle, LVM_SETCOLUMN, column.Index, ref pcol);
column.Width = ((ListViewColumn)listViewCols[i]).width;
break;
}
}
}
listView.Show();
}
catch {}
}
}
[Serializable]
public struct ListViewColumn {
public string header;
public int width;
public int order;
public ListViewColumn(string colHeader, int colWidth, int colOrder) {
header = colHeader;
width = colWidth;
order = colOrder;
}
}
}
I want to display gridview column heading when mouse over to the particular column in the gridview.I am working in VisualStudio 2005 with MS.Net2.0 framework.I don't want to use ajax.
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Main Gridview[Code]....
I have a gridview which is binded to a Sqldatasource. I would like to replace a column data field value to 'Not Applicable' if that column has got a value of 2 in database.
View 2 Replieswant to display gridview column heading when mouse over to the particular column in the gridview.
View 9 RepliesHow to add a button at first column of gridview and get cell value in another column?
For example, add a button named it as "Click me". Once user clicks will get third column cell's (ID) value.
No sense in showing a competely blank column. how to make a GridView column invisible if every cell in that column is empty?
View 3 RepliesI have a gridview with 3 columns. In second column I want to display some text in 2 rows and then a gridview.
Here is my code:
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The problem is my third row is displayed as a row under first column. How do I make it a separate column in my girdview. Not sure what is going wrong.
I am using GridView ,I want to do a validation like if i edit any one of the Cell in that column, it will through the validation when the sum of column value is more than 100. How can i do this validation?
View 10 RepliesI have tried several examples of reorder list with several types of data sources and can't get the list to reorder. I have copied Joe Stagner's code from his Video on Reorder Control with the same result. Here is the Video
http://www.asp.net/ajax/videos/how-do-i-the-ajax-toolkit-reorder-control. Page loads, but I can't drag items to reorder. I have tried this with explorer 8 and firefox 3.6, with and without security. Here is the markup, no code behind.
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Some of the events don't seem to fire. DataBinding, DataBound, Load, and InsertCommand work ItemReorder does not, (not good for a reorder control). This control should work, but doesn't. I am able to insert data so it seems that the reorder or dragItem templates maybe causing problems. I have commented out but that doesn't help. Here is my only clue, I had to use the script manager from the .net4 Ajax Control Kit for my events to not complain about definitions. I was only using these events with debugger just to see if they are being called, no code in methods. But I am using the toolkit.dll that came with Joe's example. I tried it with .net4 only first, but that didn't work either that's when I installed the dll from Joe's example.
is it possible for reorder list to to allow user to drag n drop via column cell.
For example,
Column1 | Column2
------------------------------
Value1 |Value5
Value2 |Value6
Value3 |Value7
Value4 |Value8
Value 1 was drag n drop to the position of Value5. And Value5 ,Value6,Value7,Value8 position are reorder like Reorderlist in row.
I have the reorderlist and a DELETE as link button. So far so good as far as I can tell that when I clicked on the delete link button, it deletes photo value from the database per the ID PK. However, I want to be able to delete the right photo file on the server/disk (jpg, gif..) but I could not figure out the logic to do so.
View 1 RepliesI saw post [URL] .... which is converting rows into column item,quantity ,price. I have one other image field .how can bind image in this program?
View 1 RepliesAs per my requirement, I am getting CompID, Company Name and URL from SQL database. I want to display just CompName and URL in gridvew. So, I need to hide the CompID in gridview. One way I can do BoundField field Visible to false but I need to retrive that compID id when user selected any of the row. if I set visible to false user wont see any compID in gridvew but I want access the selected compID also using SelectedRow.Cells[1].Text..
View 1 RepliesI am using item template and eval function in the gridview to display the records. Can I add a coulmn which is not in the table?
I have to add some columns which is not in the table and assign the values from code behind to that particular column
I have a grid view with 4 columns and 12 rows. Getting the row index is not problem; ;however, I cannot find a way to get the column index of the cell that i select.
View 1 Replieshow to implement Insert feature to a grid view?I need to use fields with scroll bar inside of a grid view. Is that possible through the template field?
View 23 RepliesI have one filed that is encrypted using Rajindal algorithm and stored in MSSQL db.When I retrieve that column in gridview it's displayed in encrypted. I have the code that decrypts it but the problem is:How can I all loop throw this column values in the gridview and decrypt them all and display it in the gridview decrypted.See my code below:
[Code]....
I'm facing a wierd problem with GridView and ObjectDataSource. I bind GridView to my business objects via ObjectDataSource. Everything was working fine until I decided to add a new field in my buisness object and wanted to add a column to GridView to show it. Somehow that column is NOT shown in the GridView's list of available columns. I have tried refreshing schema, rebinding, etc. I'm using GridView inside a user control which is used as a web part. Does that make a difference ?
View 3 RepliesI want to use a value of a column from a selected row in a gridview as default value of a dropdownlist on a form on the same page. how to get this done in VB?
View 4 RepliesHow to Get Column value of gridview in c #
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I need to get the value of some columns in a gridview control.
Ive tried:
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But that doesn't work. I get an error 'Identifier Expected'
how to get first column value of each row in Gridview?
i am writing like this:
int Total=0;
for (int i = 0; i < GridView1.Rows.Count; i++)
{
Total += = Convert.ToInt32(GridView1.Rows[i].Cells[0].Text); //it does not have column value
}s
How to get the name of a particular column of a gridview ?
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