Forms Data Controls :: How To Get Column And Design In Gridview Dynamic Based On Value
Nov 18, 2010
I need to generate gridview based on table value... let us consider i have in my aspx page one dropdownlist in which i have binded somevalefor example: dropdownlist contain:- Item1 based on Item1 i have three table first table conists A,B,C,D value. Second Table consist 1,2,3,4,5 Third Table consist (0.5,0.6,0.7) for 1, (0.7,1.0) for 2, (0.6) for 3, (0.8) for 4, and another(0.8) for 5 based on this three table i need to show girdview like this which is below If its Item2 dropdownlist then row and column of girdview will be any number based on first,second,third table value for Item2like this if Item3 dropdownlist then row and column of girdview will be any number based on first,second,third table value for Item3.help me to achieve dynamic rows and column based on database value... in asp.net C#....
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May 7, 2015
I 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?
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Feb 11, 2010
I have a Gridview with two columns name and email.
Now if the employee does not have an email address then I would like to highlight that row.
How can i achieve that?
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Mar 26, 2010
Does anyone knows how to add a radiobutton column into a dynamic gridview? The problem with the asp.net radiobutton is that in a grid view is not mutually exlusive so actually it would have to be a literal type= "radio "control, but how to add it when the gridview is created dynamially?
Also, once I have the radioButton set up correctly...how can I identified whether that row has the radiobutton checked or not?
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Dec 18, 2010
I have created a gridView control and have successfully bound DataTable (dt) to it using
[Code]....
However, I want to add a dynamic hyperlink that will take the user somewhere based on the value of one of the columns in the selected row. I'm not sure how to do that.
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May 28, 2010
I'm new to web dev and c# so please bare with me. I am trying to create a dynamic gridview in a web form for users to to answer questions with (code below).
The dificulty im having is that i am nesting a dropdwonlist in the gridview and want to be able to dynamically set the list values based on parameters (of the row they are on). These values are in the main dataset for the gridview as each row represents a questionid and question text and then a ddl for the criteria...
I just don't know how to set the values for the dropdown all the code so far is below... just need to be able to populate the dropdowns with the relevant values.
I have created a stored proc to return the different criteria based on the questionid and questionGroupid which is the dataset that populates the other fields in the gridview: dbo.usp_QuestionCriteria @QuestionGroupId, @QuestionId
I have added this as a tableadapter called criteriaTableAdapter in a xsd file as well using the wizard... not sure if this is the right option though or just use the same method as i have for the other stored procedure as in the code below:
[CODE
]using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["Sql"].ConnectionString);
con.Open();
SqlCommand com = new SqlCommand("usp_QuestionGroupDS", con);
com.CommandType = CommandType.StoredProcedure;
SqlDataAdapter ada = new SqlDataAdapter(com);
DataSet ds = new DataSet();
ada.Fill(ds);
for (int i = 0; i < ds.Tables.Count; i++)
{
if (ds.Tables[i].Rows.Count > 0)
{
GridView gvDynamicQuestion = new GridView();
gvDynamicQuestion.Width = Unit.Pixel(700);
gvDynamicQuestion.BorderWidth = Unit.Pixel(0);
gvDynamicQuestion.Caption = "<div id="nifty" class="QuestionGroup"> <b class="rtop"><b class="r1"></b><b class="r2"></b><b class="r3"></b><b class="r4"></b></b>" + ds.Tables[i].Rows[0]["Category"].ToString() + " Questions<b class="rbottom"><b
class="r4"></b><b class="r3"></b><b class="r2"></b><b class="r1"></b></b></div>";
gvDynamicQuestion.AutoGenerateColumns = false;
gvDynamicQuestion.ShowFooter = true;
TemplateField tf = null;
tf = new TemplateField();
tf.HeaderTemplate = new DynamicGridViewTextTemplate("QuestionId", DataControlRowType.Header);
tf.ItemTemplate = new DynamicGridViewTextTemplate("QuestionId", DataControlRowType.DataRow);
tf.FooterTemplate = new DynamicGridViewTextTemplate(DataControlRowType.Footer, ds.Tables[i].Rows.Count);
gvDynamicQuestion.Columns.Add(tf);
tf = new TemplateField();
tf.HeaderTemplate = new DynamicGridViewTextTemplate("Question", DataControlRowType.Header);
tf.ItemTemplate = new DynamicGridViewTextTemplate("Question", DataControlRowType.DataRow);
gvDynamicQuestion.Columns.Add(tf);
tf = new TemplateField();
tf.HeaderText = "Criteria";
tf.HeaderTemplate = new DynamicGridViewTextTemplate("Criteria", DataControlRowType.Header);
tf.ItemTemplate = new DynamicGridViewDDLTemplate();
gvDynamicQuestion.Columns.Add(tf);
////tf = new TemplateField();
////tf.HeaderText = "Criteria";
////tf.ItemTemplate = new DynamicGridViewDDLTemplate();
////gvDynamicQuestion.Columns.Add(tf);
gvDynamicQuestion.DataSource = ds.Tables[i];
gvDynamicQuestion.DataBind();
phDynamicGridHolder.Controls.Add(gvDynamicQuestion);
}
}
}
protected void DynamicGrid_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Footer)
{
//
}
}
}
public class DynamicGridViewTextTemplate : ITemplate
{
string _ColName;
DataControlRowType _rowType;
int _Count;
public DynamicGridViewTextTemplate(string ColName, DataControlRowType RowType)
{
_ColName = ColName;
_rowType = RowType;
}
public DynamicGridViewTextTemplate(DataControlRowType RowType, int QuestionCount)
{
_rowType = RowType;
_Count = QuestionCount;
}
public void InstantiateIn(System.Web.UI.Control container)
{
switch (_rowType)
{
case DataControlRowType.Header:
Literal lc = new Literal();
lc.Text = "<b>" + _ColName + "</b>";
container.Controls.Add(lc);
break;
case DataControlRowType.DataRow:
Label lbl = new Label();
lbl.DataBinding += new EventHandler(this.lbl_DataBind);
container.Controls.Add(lbl);
break;
case DataControlRowType.Footer:
Literal flc = new Literal();
flc.Text = "<b>Total No of Questions:" + _Count + "</b>";
container.Controls.Add(flc);
break;
default:
break;
}
}
private void lbl_DataBind(Object sender, EventArgs e)
{
Label lbl = (Label)sender;
GridViewRow row = (GridViewRow)lbl.NamingContainer;
lbl.Text =DataBinder.Eval(row.DataItem, _ColName).ToString();
}
}
public class DynamicGridViewDDLTemplate : ITemplate
{
// Implementation of ITemplate
public void InstantiateIn(System.Web.UI.Control container)
{
// Create a DDL
DropDownList ddl = new DropDownList();
//Attach method to delegate
ddl.DataBinding += new System.EventHandler(this.ddl_DataBind);
container.Controls.Add(ddl);
}
//Method that responds to the DataBinding event
private void ddl_DataBind(object sender, System.EventArgs e)
{
//DropDownList ddl = (DropDownList)sender;
//DataGridItem container = (DataGridItem)ddl.NamingContainer;
//ddl.Data.Checked = [Data binding expression];
}
}
[/CODE]
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May 10, 2010
I have a stored procedure (For Eg: sp_GetAvlData) that accepts a number of parameters, 3 of which are TimeFrom, TimeTo (as varchar) and TimeInterval (as int), formulates a Dynamic query and executes itself. So for instance, if I call the proc as follows:
[code]....
dtAvl is the datatable containing the results of my stored procedure.
The next step for me is to make each of the cells (except the cells in the first column) as a Hyperlink so that when clicked upon a cell, it populates 2 textboxes with the selected Timeslot and Name or ID (ID field is not displayed in Gridview). The textboxes are located on the same page but outside of the Gridview control.
The Challenge that I'm facing out here are:
1) As you can see, the field names being generated are not fixed and I have no control over them.
2) Because the field names are not fixed I'm not sure I can implement this using the Templatefields or BoundFields of Gridview.
Is there any way to achieve the Hyperlinking of these cells within the Gridview?
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Mar 16, 2011
i have a gridview which is populated from a stores proc using pivot tables. The column are created dynamically apart from a total column which is created as a template field. the gridview looks like below:
CPW
EE
Foh
H3G
IND
O2
ORG
P4U
T-M
TSC
VIR
VOD
Total
Stores Visited
70
0
0
12
0
16
18
7
11
1
2
8
145
i need to add a hyperlink to each gridview cell and when that cell is clicked pass the header text through the querystring to another page. I can access the cells value ok and pass that through but i cannot seem to access the cells column header text. when i response.write out a count of the gridview.columns it brings back 2 which is the template fields but not the dynamic fields i have tried this on the rowdatbound, rowcreated, page_load and page_unload. the count should be 12 its like it cannot find the dynamic columns at all. ?
here is my code for populating the gridview
[Code]....
and here is my gridview:
[Code]....
i am also moving the total column in this code
[Code]....
and calculating my total in this code and adding my link to the total colum (which works fine)
[Code]....
now i just need to somehow add a link to the other cells and somehow get the value of the header text for that cell clicked.
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Oct 20, 2010
I am dynamically creating columns for my GridView and the DataFormatString is not doing anything.
Code snippet
[Code]....
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Jul 28, 2010
I have to select checkboxes besed on group column values. If you see below gridview, column 3 (GroupN) has 1,1,1,1,2,2,2,2....etc (this column data is not static, will change based on page index. i.e PageIndex =2 may starts with 7,7,7,8,8,8,8,8,9,9,9 etc).
Now My question is.
1). If user selected '1', we have to store value and user must and should select another '1' (atleast two times).
2) If user selected '1', and user trying select '2'. Giving error says "Must have select one then one record in group to combine' (will not allow) and unselect '2'.
3) If user selected '1' atleast two times, and user trying select '2'. Will allow.
4) If user selected '1' atleast two times and selected '2' one time, trying to select '3'. will not allow user to select '3'.
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Dec 14, 2010
I've already searched to no avail for an answer to this question:is it possible to dynamically alter the page size in a paged gridview based on data in a particular column?In other words,let's say I get data from a table that lists students enrolled in a particular course.If there are 10 students in Course "A," then I want page 1 in my gridview to show 10 records.
If there are 15 students in Course "B," then I want page 2 in my gridview to show those 15 records,and so on.I imagine that this could probably be done with a master-detail kind of set up,but let's say for the sake of argument that I don't want to go that route.
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May 7, 2015
I am adding columns dynamically to gridview as [URL] ....
I am adding checkbox and trying to add handler but it is not getting fire
AddHandler lnkView.Click, AddressOf ViewDetails
AddHandler Chk.CheckedChanged, AddressOf ViewDetails
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Jan 4, 2013
i need to sort the gridview based on the radiobuttons. and i have 3 radiobuttons like dept,empcode,reporter..
if i click on any of radiobutton i need to show the gridview by sorting order..
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May 7, 2015
I am checking string  and then bind category. If condition is false then i  need anchor tag in which i pass querystring to specific link.
<itemtemplate>
<asp:Literal runat="server" ID="litPrice" Text='<%#((String.IsNullOrEmpty(Eval("Price").ToString()) || Eval("Price").ToString()=="00/0.00" || Eval("Price").ToString()=="0/0.00") ? "<span font-family="arial"><a href="http://www.xyz.com/web/enquiries.asp?category="+ Eval("category")>Enquiry</a></span>" : Eval("Price"))%>' >
</asp:Literal>
</itemtemplate>
I am getting error. CS1010: Newline in constant
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Apr 6, 2010
I have a gridview which displays following columns:
TaskID, TaskDescription, IsComplete, DateOfCompletion
Now what I want to achieve is, when user clicks IsComplete checkbox, she must enter the date of completion. So, I want a validation (client side) on DateOfCompletion if the checkbox is selected (checked). And, I also want to use Validator Callout Extender
if possible.
How can I achieve this?
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Dec 29, 2010
I am working on a ASP website, coded in VB.net, using Visual Studios 2010. I have a GridView that contains a template column currently. This template column is not the key and cannot be, since it does not exist in my database. (As far as I understand.) In my code behind, I calculate data based on information pulled from multiple columns of a database and currently build a string for my results. The results are stored currently in this empty template column. For example, 1 cell in the template column will currently display the string: "Red, Yellow, Green".
Instead, I would like to display multiple images in one cell to reflect the colors. These images are currently stored in "...Visual Studio 2010WebSites[My Website]images". The string can contain any number of colors, and colors can occur more than once. Is what I want to do possible, and if so how can I go about this? Here is an example of my database, if this provides useful. I do not want to have a column for each color in my GridView, and again a color can occur more than once.
Key Red Yellow Green
Item1 0 2 1
Item2 1 0 0
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Oct 12, 2010
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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Oct 9, 2010
If there's a better way to accomplish what I'm attempting I haven't found it yet. That being said, I have create a gridview like the one here,[URL]And with some minor tweaking it working great for all my fields, checkboxes, etc. The issue is my last column is another gridview, and I'd like it to function the same. that is, a dynamic gridview inside of a dynamic gridview. I get that I have to create it initially with null values or it won't show up. I guess what I'm having trouble figuring out is instead of go will null data in the parent gridviews column, do I place my blank child gridview. Do I create and bind the child gridview first, or second. Generally just not sure. Also, as far as storing the data from the child gridview goes, will each one need it's own datatable?
[Code]....
[Code]....
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Oct 29, 2010
[Code]....
Main Gridview[Code]....
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Feb 7, 2011
I need to add dynamic header column to grid Urgent from database table
how can i achieve this
my gridview should be expandable horizantally
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Apr 1, 2011
I have a gridview and in the gridview i have a an itemtemplatefield with a regular html hyperlink in it.
Based on the value of one of the columns in the gridview, i want to hide this hyperlink and just replace it with the value of another column
e.g. <a href="page.aspx?x=<%=Me.CurrentAgent.ID %>&id=<%# Eval("Id") %><%# Eval("Customer") %></a>
if Eval("Status") = 123 then instea of the above hyperlink, i just want <%# Eval("Customer") %>
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Sep 7, 2010
I am trying to change font color if the datafield has the string EMERGENCY.
This is my original template field:
[Code]....
and this is what I thought would work:
[Code]....
BUT it does not work.
Is there a limit of 1 for <%# %> code within a template field? I tried the IIF standalone and it worked but not when I put it within ForeColor '
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Jan 6, 2011
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.
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Oct 12, 2010
want to display gridview column heading when mouse over to the particular column in the gridview.
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Jul 22, 2010
How 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.
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