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    <p>This code will change alpha of background color of UILabel as per slider value change.</p> <p>first you need to declare slider in custom Cell. as describe bellowed.</p> <p>Declare slider in SignUpCustomCell.h cell.</p> <pre><code>#import &lt;UIKit/UIKit.h&gt; @interface SignUpCustomCell : UITableViewCell { UISlider* slider; UILabel *lblLeft; } @property(nonatomic,retain) UISlider* slider; @property(nonatomic,retain) UILabel *lblLeft; @end </code></pre> <p>alloc memory in SignUpCustomCell.m file.</p> <pre><code>#import "SignUpCustomCell.h" @synthesize slider,lblLeft; - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { if ((self = [super initWithStyle:style reuseIdentifier:reuseIdentifier])) { slider=[[UISlider alloc]initWithFrame:CGRectMake(150, 5, 100, 25)]; [slider setValue:0.0]; slider.minimumValue=0; slider.maximumValue=1; [self.contentView addSubview:self.slider]; self.lblLeft = [[UILabel alloc]init]; self.lblLeft.font = [UIFont fontWithName:@"Helvetica-Bold" size:12]; self.lblLeft.textColor = [UIColor colorWithRed:135.0/255.0 green:135.0/255.0 blue:135.0/255.0 alpha:1.0]; self.lblLeft.backgroundColor = [UIColor greenColor]; [self.lblLeft setTextAlignment:UITextAlignmentLeft]; [self.contentView addSubview:self.lblLeft]; [self.lblLeft release]; } return self; } </code></pre> <p>After creating custom cell.You will used it where you want. </p> <p>To used custome cell in SignupViewController.m . we need following steps.</p> <pre><code>#import "SignUpCustomCell.h" </code></pre> <p>Then write code in cellForRowAtIndexPath.</p> <pre><code>- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; SignUpCustomCell *cell = (SignUpCustomCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[SignUpCustomCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } cell.lblLeft.text=@"test app"; cell.slider.tag=indexPath.row; [cell.slider addTarget:self action:@selector(sliedervalue:) forControlEvents:UIControlEventValueChanged]; return cell; } -(void)sliedervalue:(id)sender { UISlider* sl=(UISlider*)sender; NSLog(@"sl=%d",sl.tag); NSLog(@"sl_value=%f",sl.value); NSIndexPath *indexPath=[NSIndexPath indexPathForRow:sl.tag inSection:0] ; SignUpCustomCell *cell = (SignUpCustomCell*)[tblSignup cellForRowAtIndexPath:indexPath]; cell.lblLeft.alpha= sl.value; } </code></pre> <p>Let me know if you have any query. </p>
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    1. POChange gradient of background color with respect to UISlider value placed into TableViewCell
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    1. USJatin Patel
    1. USJatin Patel
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    1. COcell.lblLeft???? Is it a Lable??? or Something Else???
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    2. COyes it it UIlabel. Let me edit some code..
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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