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gridview and controls on the fly

Posted on 2008-10-06
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Last Modified: 2012-08-13
Hi Experts,
how can i create a gridview by code and put inside a control created on the fly as well?

for istance i wanna have a gridview with 3 image controls inside created by code (not in design mode).

Thanks
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Question by:xtremereality
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3 Comments
 
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crazyman earned 500 total points
ID: 22653131
just new up a gridview and add it to the controls collection, but be sure you re-add the controls each time the page runs, you should do this in Page_Init or override CreateChildControls

see
http://www.singingeels.com/Articles/Dynamically_Created_Controls_in_ASPNET.aspx

You will need to create your own Template by implementing ITemplate
see
http://2000mph.blogspot.com/2008/05/programmatically-creating-gridview-with.html
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Author Comment

by:xtremereality
ID: 22654632
Sorry can you provide me an example as i tried the links you gave me but i get some errors.
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Author Comment

by:xtremereality
ID: 22654671
this is the class that implements ITemplate, i get some errors on the points with the arrows.
see below

public class GridViewTemplate : System.Web.UI.Page, ITemplate
{
ListItemType _templateType;
string _columnName;


public GridViewTemplate(ListItemType type, string columnName)
{
_templateType = type;
_groupName = columnName;
}


public void InstantiateIn(System.Web.UI.Control container)
{

switch (_templateType)
{

case ListItemType.Header:

break;

case ListItemType.Item:

Literal lc = new Literal();

lc.DataBinding += new EventHandler(this.lc_DataBinding);

container.Controls.Add(lc);

break;

case ListItemType.EditItem:

break;

case ListItemType.Footer:

break;

}
}


private void lc_DataBinding(Object sender, EventArgs e)
{

Literal lc = (Literal)sender;

GridViewRow row = (GridViewRow)lc.NamingContainer;

string propertyValue =  <------------------------------------------------------------ Get error here
DataBinder.Eval(row.DataItem, "PropertyName").ToString(); <--------------- And here

lc.Text = propertyValue;

}
}

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