riw command event

Question

what is row command event in grid view and explain it?

Iftikar Hussain · Answer

try like this protected void gv1_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName == "view") { int classId = Convert.ToInt32(e.CommandArgument); ViewState["classId"] = classId; decimal decval = decimal.Parse(ViewState["classId"].ToString()); viewdetails(decval); } } Regards, Iftikar

Rini · Answer

Thank u sir...it's working..:):)

Rini · Answer

Tool Controls .style1 { width: 100%; height: 69px; } .style2 { width: 137px; } .style3 { width: 804px; } .style4 { width: 137px; height: 10px; } .style5 { width: 804px; height: 10px; } .style6 { width: 100%; height: 125px; } .style7 { width: 265px; } Tool Controls %>              ImageUrl="~/Images/images.jpeg" style="margin-left: 35px" Width="561px" /> AllowPaging="True" DataKeyNames="classId" onpageindexchanging="gv1_PageIndexChanging" onrowdeleting="gv1_RowDeleting" onselectedindexchanged="gv1_SelectedIndexChanged" onselectedindexchanging="gv1_SelectedIndexChanging" Height="267px" onrowcommand="gv1_RowCommand"> CommandName="view" Text=' ' CommandArgument=' ' /> ControlToValidate="txtclassName" Display="Dynamic" ErrorMessage="*" ForeColor="#66FF99" ToolTip="Please Enter the className" ValidationGroup="a"> onselectedindexchanged="DropDownList1_SelectedIndexChanged"> ControlToValidate="DropDownList1" Display="Dynamic" ErrorMessage="*" ForeColor="#66FF99" InitialValue="--select--" ToolTip="Select any value" ValidationGroup="a">   onclick="btnsubmit_Click" style="margin-left: 49px; margin-top: 0px;" Text="Submit" ValidationGroup="a" Width="152px" />                    ImageUrl="~/Images/images.jpeg" Width="915px" />

Sanjeeb Lenka · Answer

plz share your gridview design code......

Iftikar Hussain · Answer

In the CommandArgument bind the DataKey value. Regards, Iftikar

Iftikar Hussain · Answer

Please put the break point and check the value for below line int rowIndex = Convert.ToInt32(e.CommandArgument); int classId = Convert.ToInt32(gv1.DataKeys[rowIndex].Value); and also share the .aspx code Regards, Iftikar

Rini · Answer

Rini · Answer

//in defaullt.aspx.cs// public void viewdetails(decimal a) { ClassInfo infoclass = new ClassInfo(); ClassSp spclass = new ClassSp(); infoclass = spclass.classView(a); txt1.Text = infoclass.className; txt2.Text = infoclass.noOfSeats.ToString(); MultiView1.SetActiveView(View2); } protected void gv1_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName == "view") { //txt1.Text = Convert.ToString(e.CommandArgument) int rowIndex = Convert.ToInt32(e.CommandArgument); int classId = Convert.ToInt32(gv1.DataKeys[rowIndex].Value); ViewState["classId"] = classId; decimal decval = decimal.Parse(ViewState["classId"].ToString()); viewdetails(decval); } }

Iftikar Hussain · Answer

Hi, Please share your code. Regards, Iftikar

Sanjeeb Lenka · Answer

plz share your code. so we can able to solve your problem.

Rini · Answer

thank you sir.but when i run my program i got an error "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index"

Ravi Shekhar · Answer

You can do any operation(All DML) on Rowcommand event.... just declare 'abc' as Commandname and find this on Rowcommand... Now start coding! check out below link.... In below example all operation done in RowCommand!! http://www.aspdotnet-suresh.com/2011/02/normal-0-false-false-false-en-us-x-none.html

Sanjeeb Lenka · Answer

hi, refer to this link. http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.gridview.rowcommand.aspx read the article from Remark . you will definitely get a clear idea. if any doubt reply.

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